55205120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 145696320

約数和(自身を除く): 90491200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 59, 64, 68, 80, 85, 86, 118, 128, 136, 160, 170, 172, 215, 236, 256, 272, 295, 320, 340, 344, 430, 472, 544, 590, 640, 680, 688, 731, 860, 944, 1003, 1088, 1180, 1280, 1360, 1376, 1462, 1720, 1888, 2006, 2176, 2360, 2537, 2720, 2752, 2924, 3440, 3655, 3776, 4012, 4352, 4720, 5015, 5074, 5440, 5504, 5848, 6880, 7310, 7552, 8024, 9440, 10030, 10148, 10880, 11008, 11696, 12685, 13760, 14620, 15104, 16048, 18880, 20060, 20296, 21760, 23392, 25370, 27520, 29240, 32096, 37760, 40120, 40592, 43129, 46784, 50740, 55040, 58480, 64192, 75520, 80240, 81184, 86258, 93568, 101480, 116960, 128384, 160480, 162368, 172516, 187136, 202960, 215645, 233920, 256768, 320960, 324736, 345032, 405920, 431290, 467840, 641920, 649472, 690064, 811840, 862580, 935680, 1283840, 1380128, 1623680, 1725160, 2760256, 3247360, 3450320, 5520512, 6900640, 11041024, 13801280, 27602560, 55205120]

約数ペア:

[(1, 55205120), (2, 27602560), (4, 13801280), (5, 11041024), (8, 6900640), (10, 5520512), (16, 3450320), (17, 3247360), (20, 2760256), (32, 1725160), (34, 1623680), (40, 1380128), (43, 1283840), (59, 935680), (64, 862580), (68, 811840), (80, 690064), (85, 649472), (86, 641920), (118, 467840), (128, 431290), (136, 405920), (160, 345032), (170, 324736), (172, 320960), (215, 256768), (236, 233920), (256, 215645), (272, 202960), (295, 187136), (320, 172516), (340, 162368), (344, 160480), (430, 128384), (472, 116960), (544, 101480), (590, 93568), (640, 86258), (680, 81184), (688, 80240), (731, 75520), (860, 64192), (944, 58480), (1003, 55040), (1088, 50740), (1180, 46784), (1280, 43129), (1360, 40592), (1376, 40120), (1462, 37760), (1720, 32096), (1888, 29240), (2006, 27520), (2176, 25370), (2360, 23392), (2537, 21760), (2720, 20296), (2752, 20060), (2924, 18880), (3440, 16048), (3655, 15104), (3776, 14620), (4012, 13760), (4352, 12685), (4720, 11696), (5015, 11008), (5074, 10880), (5440, 10148), (5504, 10030), (5848, 9440), (6880, 8024), (7310, 7552)]