86251540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253681}}^1$

素因数の和:253707

約数の個数: 24

約数和(自身を含む): 191783592

約数和(自身を除く): 105532052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 253681, 507362, 1014724, 1268405, 2536810, 4312577, 5073620, 8625154, 17250308, 21562885, 43125770, 86251540]

約数ペア:

[(1, 86251540), (2, 43125770), (4, 21562885), (5, 17250308), (10, 8625154), (17, 5073620), (20, 4312577), (34, 2536810), (68, 1268405), (85, 1014724), (170, 507362), (340, 253681)]