7725640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 19051200

約数和(自身を除く): 11325560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 179, 260, 332, 358, 415, 520, 664, 716, 830, 895, 1079, 1432, 1660, 1790, 2158, 2327, 3320, 3580, 4316, 4654, 5395, 7160, 8632, 9308, 10790, 11635, 14857, 18616, 21580, 23270, 29714, 43160, 46540, 59428, 74285, 93080, 118856, 148570, 193141, 297140, 386282, 594280, 772564, 965705, 1545128, 1931410, 3862820, 7725640]

約数ペア:

[(1, 7725640), (2, 3862820), (4, 1931410), (5, 1545128), (8, 965705), (10, 772564), (13, 594280), (20, 386282), (26, 297140), (40, 193141), (52, 148570), (65, 118856), (83, 93080), (104, 74285), (130, 59428), (166, 46540), (179, 43160), (260, 29714), (332, 23270), (358, 21580), (415, 18616), (520, 14857), (664, 11635), (716, 10790), (830, 9308), (895, 8632), (1079, 7160), (1432, 5395), (1660, 4654), (1790, 4316), (2158, 3580), (2327, 3320)]