1010651960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 2309407200

約数和(自身を除く): 1298755240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 313, 356, 445, 626, 712, 890, 907, 1252, 1565, 1780, 1814, 2504, 3130, 3560, 3628, 4535, 6260, 7256, 9070, 12520, 18140, 27857, 36280, 55714, 80723, 111428, 139285, 161446, 222856, 278570, 283891, 322892, 403615, 557140, 567782, 645784, 807230, 1114280, 1135564, 1419455, 1614460, 2271128, 2838910, 3228920, 5677820, 11355640, 25266299, 50532598, 101065196, 126331495, 202130392, 252662990, 505325980, 1010651960]

約数ペア:

[(1, 1010651960), (2, 505325980), (4, 252662990), (5, 202130392), (8, 126331495), (10, 101065196), (20, 50532598), (40, 25266299), (89, 11355640), (178, 5677820), (313, 3228920), (356, 2838910), (445, 2271128), (626, 1614460), (712, 1419455), (890, 1135564), (907, 1114280), (1252, 807230), (1565, 645784), (1780, 567782), (1814, 557140), (2504, 403615), (3130, 322892), (3560, 283891), (3628, 278570), (4535, 222856), (6260, 161446), (7256, 139285), (9070, 111428), (12520, 80723), (18140, 55714), (27857, 36280)]