40165220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6949}}^1$

素因数の和:6992

約数の個数: 36

約数和(自身を含む): 89613300

約数和(自身を除く): 49448080

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 6949, 13898, 27796, 34745, 69490, 118133, 138980, 236266, 472532, 590665, 1181330, 2008261, 2362660, 4016522, 8033044, 10041305, 20082610, 40165220]

約数ペア:

[(1, 40165220), (2, 20082610), (4, 10041305), (5, 8033044), (10, 4016522), (17, 2362660), (20, 2008261), (34, 1181330), (68, 590665), (85, 472532), (170, 236266), (289, 138980), (340, 118133), (578, 69490), (1156, 34745), (1445, 27796), (2890, 13898), (5780, 6949)]