12815660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4514

約数の個数: 48

約数和(自身を含む): 31624992

約数和(自身を除く): 18809332

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4481, 8962, 17924, 22405, 44810, 49291, 58253, 89620, 98582, 116506, 197164, 233012, 246455, 291265, 492910, 582530, 640783, 985820, 1165060, 1281566, 2563132, 3203915, 6407830, 12815660]

約数ペア:

[(1, 12815660), (2, 6407830), (4, 3203915), (5, 2563132), (10, 1281566), (11, 1165060), (13, 985820), (20, 640783), (22, 582530), (26, 492910), (44, 291265), (52, 246455), (55, 233012), (65, 197164), (110, 116506), (130, 98582), (143, 89620), (220, 58253), (260, 49291), (286, 44810), (572, 22405), (715, 17924), (1430, 8962), (2860, 4481)]