79919240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64451}}^1$

素因数の和:64493

約数の個数: 32

約数和(自身を含む): 185621760

約数和(自身を除く): 105702520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64451, 128902, 257804, 322255, 515608, 644510, 1289020, 1997981, 2578040, 3995962, 7991924, 9989905, 15983848, 19979810, 39959620, 79919240]

約数ペア:

[(1, 79919240), (2, 39959620), (4, 19979810), (5, 15983848), (8, 9989905), (10, 7991924), (20, 3995962), (31, 2578040), (40, 1997981), (62, 1289020), (124, 644510), (155, 515608), (248, 322255), (310, 257804), (620, 128902), (1240, 64451)]