13485680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12967}}^1$

素因数の和:12993

約数の個数: 40

約数和(自身を含む): 33768672

約数和(自身を除く): 20282992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12967, 25934, 51868, 64835, 103736, 129670, 168571, 207472, 259340, 337142, 518680, 674284, 842855, 1037360, 1348568, 1685710, 2697136, 3371420, 6742840, 13485680]

約数ペア:

[(1, 13485680), (2, 6742840), (4, 3371420), (5, 2697136), (8, 1685710), (10, 1348568), (13, 1037360), (16, 842855), (20, 674284), (26, 518680), (40, 337142), (52, 259340), (65, 207472), (80, 168571), (104, 129670), (130, 103736), (208, 64835), (260, 51868), (520, 25934), (1040, 12967)]