13122640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9649}}^1$

素因数の和:9679

約数の個数: 40

約数和(自身を含む): 32308200

約数和(自身を除く): 19185560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9649, 19298, 38596, 48245, 77192, 96490, 154384, 164033, 192980, 328066, 385960, 656132, 771920, 820165, 1312264, 1640330, 2624528, 3280660, 6561320, 13122640]

約数ペア:

[(1, 13122640), (2, 6561320), (4, 3280660), (5, 2624528), (8, 1640330), (10, 1312264), (16, 820165), (17, 771920), (20, 656132), (34, 385960), (40, 328066), (68, 192980), (80, 164033), (85, 154384), (136, 96490), (170, 77192), (272, 48245), (340, 38596), (680, 19298), (1360, 9649)]