39180640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3535

約数の個数: 48

約数和(自身を含む): 93895200

約数和(自身を除く): 54714560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 3449, 5680, 6898, 11360, 13796, 17245, 27592, 34490, 55184, 68980, 110368, 137960, 244879, 275920, 489758, 551840, 979516, 1224395, 1959032, 2448790, 3918064, 4897580, 7836128, 9795160, 19590320, 39180640]

約数ペア:

[(1, 39180640), (2, 19590320), (4, 9795160), (5, 7836128), (8, 4897580), (10, 3918064), (16, 2448790), (20, 1959032), (32, 1224395), (40, 979516), (71, 551840), (80, 489758), (142, 275920), (160, 244879), (284, 137960), (355, 110368), (568, 68980), (710, 55184), (1136, 34490), (1420, 27592), (2272, 17245), (2840, 13796), (3449, 11360), (5680, 6898)]