3229640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 7318080

約数和(自身を除く): 4088440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 307, 526, 614, 1052, 1228, 1315, 1535, 2104, 2456, 2630, 3070, 5260, 6140, 10520, 12280, 80741, 161482, 322964, 403705, 645928, 807410, 1614820, 3229640]

約数ペア:

[(1, 3229640), (2, 1614820), (4, 807410), (5, 645928), (8, 403705), (10, 322964), (20, 161482), (40, 80741), (263, 12280), (307, 10520), (526, 6140), (614, 5260), (1052, 3070), (1228, 2630), (1315, 2456), (1535, 2104)]