68635580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263983}}^1$

素因数の和:264005

約数の個数: 24

約数和(自身を含む): 155222592

約数和(自身を除く): 86587012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263983, 527966, 1055932, 1319915, 2639830, 3431779, 5279660, 6863558, 13727116, 17158895, 34317790, 68635580]

約数ペア:

[(1, 68635580), (2, 34317790), (4, 17158895), (5, 13727116), (10, 6863558), (13, 5279660), (20, 3431779), (26, 2639830), (52, 1319915), (65, 1055932), (130, 527966), (260, 263983)]