7641640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2617}}^1$

素因数の和:2701

約数の個数: 32

約数和(自身を含む): 17435880

約数和(自身を除く): 9794240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2617, 2920, 5234, 10468, 13085, 20936, 26170, 52340, 104680, 191041, 382082, 764164, 955205, 1528328, 1910410, 3820820, 7641640]

約数ペア:

[(1, 7641640), (2, 3820820), (4, 1910410), (5, 1528328), (8, 955205), (10, 764164), (20, 382082), (40, 191041), (73, 104680), (146, 52340), (292, 26170), (365, 20936), (584, 13085), (730, 10468), (1460, 5234), (2617, 2920)]