1616702980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1971589}}^1$

素因数の和:1971639

約数の個数: 24

約数和(自身を含む): 3477884760

約数和(自身を除く): 1861181780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1971589, 3943178, 7886356, 9857945, 19715890, 39431780, 80835149, 161670298, 323340596, 404175745, 808351490, 1616702980]

約数ペア:

[(1, 1616702980), (2, 808351490), (4, 404175745), (5, 323340596), (10, 161670298), (20, 80835149), (41, 39431780), (82, 19715890), (164, 9857945), (205, 7886356), (410, 3943178), (820, 1971589)]