1771640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3407}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 4294080

約数和(自身を除く): 2522440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3407, 6814, 13628, 17035, 27256, 34070, 44291, 68140, 88582, 136280, 177164, 221455, 354328, 442910, 885820, 1771640]

約数ペア:

[(1, 1771640), (2, 885820), (4, 442910), (5, 354328), (8, 221455), (10, 177164), (13, 136280), (20, 88582), (26, 68140), (40, 44291), (52, 34070), (65, 27256), (104, 17035), (130, 13628), (260, 6814), (520, 3407)]