25009790720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{26729}}^1$

素因数の和:26810

約数の個数: 144

約数和(自身を含む): 64907710560

約数和(自身を除く): 39897919840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 256, 272, 320, 340, 344, 430, 544, 640, 680, 688, 731, 860, 1088, 1280, 1360, 1376, 1462, 1720, 2176, 2720, 2752, 2924, 3440, 3655, 4352, 5440, 5504, 5848, 6880, 7310, 10880, 11008, 11696, 13760, 14620, 21760, 23392, 26729, 27520, 29240, 46784, 53458, 55040, 58480, 93568, 106916, 116960, 133645, 187136, 213832, 233920, 267290, 427664, 454393, 467840, 534580, 855328, 908786, 935680, 1069160, 1149347, 1710656, 1817572, 2138320, 2271965, 2298694, 3421312, 3635144, 4276640, 4543930, 4597388, 5746735, 6842624, 7270288, 8553280, 9087860, 9194776, 11493470, 14540576, 17106560, 18175720, 18389552, 19538899, 22986940, 29081152, 34213120, 36351440, 36779104, 39077798, 45973880, 58162304, 72702880, 73558208, 78155596, 91947760, 97694495, 116324608, 145405760, 147116416, 156311192, 183895520, 195388990, 290811520, 294232832, 312622384, 367791040, 390777980, 581623040, 625244768, 735582080, 781555960, 1250489536, 1471164160, 1563111920, 2500979072, 3126223840, 5001958144, 6252447680, 12504895360, 25009790720]

約数ペア:

[(1, 25009790720), (2, 12504895360), (4, 6252447680), (5, 5001958144), (8, 3126223840), (10, 2500979072), (16, 1563111920), (17, 1471164160), (20, 1250489536), (32, 781555960), (34, 735582080), (40, 625244768), (43, 581623040), (64, 390777980), (68, 367791040), (80, 312622384), (85, 294232832), (86, 290811520), (128, 195388990), (136, 183895520), (160, 156311192), (170, 147116416), (172, 145405760), (215, 116324608), (256, 97694495), (272, 91947760), (320, 78155596), (340, 73558208), (344, 72702880), (430, 58162304), (544, 45973880), (640, 39077798), (680, 36779104), (688, 36351440), (731, 34213120), (860, 29081152), (1088, 22986940), (1280, 19538899), (1360, 18389552), (1376, 18175720), (1462, 17106560), (1720, 14540576), (2176, 11493470), (2720, 9194776), (2752, 9087860), (2924, 8553280), (3440, 7270288), (3655, 6842624), (4352, 5746735), (5440, 4597388), (5504, 4543930), (5848, 4276640), (6880, 3635144), (7310, 3421312), (10880, 2298694), (11008, 2271965), (11696, 2138320), (13760, 1817572), (14620, 1710656), (21760, 1149347), (23392, 1069160), (26729, 935680), (27520, 908786), (29240, 855328), (46784, 534580), (53458, 467840), (55040, 454393), (58480, 427664), (93568, 267290), (106916, 233920), (116960, 213832), (133645, 187136)]