25317760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 69400800

約数和(自身を除く): 44083040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 179, 208, 221, 260, 272, 320, 340, 358, 416, 442, 520, 544, 640, 680, 716, 832, 884, 895, 1040, 1088, 1105, 1360, 1432, 1664, 1768, 1790, 2080, 2176, 2210, 2327, 2720, 2864, 3043, 3536, 3580, 4160, 4420, 4654, 5440, 5728, 6086, 7072, 7160, 8320, 8840, 9308, 10880, 11456, 11635, 12172, 14144, 14320, 15215, 17680, 18616, 22912, 23270, 24344, 28288, 28640, 30430, 35360, 37232, 39559, 46540, 48688, 57280, 60860, 70720, 74464, 79118, 93080, 97376, 114560, 121720, 141440, 148928, 158236, 186160, 194752, 197795, 243440, 297856, 316472, 372320, 389504, 395590, 486880, 632944, 744640, 791180, 973760, 1265888, 1489280, 1582360, 1947520, 2531776, 3164720, 5063552, 6329440, 12658880, 25317760]

約数ペア:

[(1, 25317760), (2, 12658880), (4, 6329440), (5, 5063552), (8, 3164720), (10, 2531776), (13, 1947520), (16, 1582360), (17, 1489280), (20, 1265888), (26, 973760), (32, 791180), (34, 744640), (40, 632944), (52, 486880), (64, 395590), (65, 389504), (68, 372320), (80, 316472), (85, 297856), (104, 243440), (128, 197795), (130, 194752), (136, 186160), (160, 158236), (170, 148928), (179, 141440), (208, 121720), (221, 114560), (260, 97376), (272, 93080), (320, 79118), (340, 74464), (358, 70720), (416, 60860), (442, 57280), (520, 48688), (544, 46540), (640, 39559), (680, 37232), (716, 35360), (832, 30430), (884, 28640), (895, 28288), (1040, 24344), (1088, 23270), (1105, 22912), (1360, 18616), (1432, 17680), (1664, 15215), (1768, 14320), (1790, 14144), (2080, 12172), (2176, 11635), (2210, 11456), (2327, 10880), (2720, 9308), (2864, 8840), (3043, 8320), (3536, 7160), (3580, 7072), (4160, 6086), (4420, 5728), (4654, 5440)]