2798217040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{89917}}^1$

素因数の和:90319

約数の個数: 40

約数和(自身を含む): 6522651720

約数和(自身を除く): 3724434680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 89917, 179834, 359668, 449585, 719336, 899170, 1438672, 1798340, 3596680, 7193360, 34977713, 69955426, 139910852, 174888565, 279821704, 349777130, 559643408, 699554260, 1399108520, 2798217040]

約数ペア:

[(1, 2798217040), (2, 1399108520), (4, 699554260), (5, 559643408), (8, 349777130), (10, 279821704), (16, 174888565), (20, 139910852), (40, 69955426), (80, 34977713), (389, 7193360), (778, 3596680), (1556, 1798340), (1945, 1438672), (3112, 899170), (3890, 719336), (6224, 449585), (7780, 359668), (15560, 179834), (31120, 89917)]