2686840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5167}}^1$

素因数の和:5191

約数の個数: 32

約数和(自身を含む): 6511680

約数和(自身を除く): 3824840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5167, 10334, 20668, 25835, 41336, 51670, 67171, 103340, 134342, 206680, 268684, 335855, 537368, 671710, 1343420, 2686840]

約数ペア:

[(1, 2686840), (2, 1343420), (4, 671710), (5, 537368), (8, 335855), (10, 268684), (13, 206680), (20, 134342), (26, 103340), (40, 67171), (52, 51670), (65, 41336), (104, 25835), (130, 20668), (260, 10334), (520, 5167)]