13463840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6473}}^1$

素因数の和:6501

約数の個数: 48

約数和(自身を含む): 34260408

約数和(自身を除く): 20796568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6473, 12946, 25892, 32365, 51784, 64730, 84149, 103568, 129460, 168298, 207136, 258920, 336596, 420745, 517840, 673192, 841490, 1035680, 1346384, 1682980, 2692768, 3365960, 6731920, 13463840]

約数ペア:

[(1, 13463840), (2, 6731920), (4, 3365960), (5, 2692768), (8, 1682980), (10, 1346384), (13, 1035680), (16, 841490), (20, 673192), (26, 517840), (32, 420745), (40, 336596), (52, 258920), (65, 207136), (80, 168298), (104, 129460), (130, 103568), (160, 84149), (208, 64730), (260, 51784), (416, 32365), (520, 25892), (1040, 12946), (2080, 6473)]