8518640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8217

約数の個数: 40

約数和(自身を含む): 21331968

約数和(自身を除く): 12813328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8191, 16382, 32764, 40955, 65528, 81910, 106483, 131056, 163820, 212966, 327640, 425932, 532415, 655280, 851864, 1064830, 1703728, 2129660, 4259320, 8518640]

約数ペア:

[(1, 8518640), (2, 4259320), (4, 2129660), (5, 1703728), (8, 1064830), (10, 851864), (13, 655280), (16, 532415), (20, 425932), (26, 327640), (40, 212966), (52, 163820), (65, 131056), (80, 106483), (104, 81910), (130, 65528), (208, 40955), (260, 32764), (520, 16382), (1040, 8191)]