65176640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11981}}^1$

素因数の和:12015

約数の個数: 56

約数和(自身を含む): 164345112

約数和(自身を除く): 99168472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 11981, 23962, 47924, 59905, 95848, 119810, 191696, 203677, 239620, 383392, 407354, 479240, 766784, 814708, 958480, 1018385, 1629416, 1916960, 2036770, 3258832, 3833920, 4073540, 6517664, 8147080, 13035328, 16294160, 32588320, 65176640]

約数ペア:

[(1, 65176640), (2, 32588320), (4, 16294160), (5, 13035328), (8, 8147080), (10, 6517664), (16, 4073540), (17, 3833920), (20, 3258832), (32, 2036770), (34, 1916960), (40, 1629416), (64, 1018385), (68, 958480), (80, 814708), (85, 766784), (136, 479240), (160, 407354), (170, 383392), (272, 239620), (320, 203677), (340, 191696), (544, 119810), (680, 95848), (1088, 59905), (1360, 47924), (2720, 23962), (5440, 11981)]