51262640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4518

約数の個数: 80

約数和(自身を含む): 140053536

約数和(自身を除く): 88790896

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 4481, 5720, 8962, 11440, 17924, 22405, 35848, 44810, 49291, 58253, 71696, 89620, 98582, 116506, 179240, 197164, 233012, 246455, 291265, 358480, 394328, 466024, 492910, 582530, 640783, 788656, 932048, 985820, 1165060, 1281566, 1971640, 2330120, 2563132, 3203915, 3943280, 4660240, 5126264, 6407830, 10252528, 12815660, 25631320, 51262640]

約数ペア:

[(1, 51262640), (2, 25631320), (4, 12815660), (5, 10252528), (8, 6407830), (10, 5126264), (11, 4660240), (13, 3943280), (16, 3203915), (20, 2563132), (22, 2330120), (26, 1971640), (40, 1281566), (44, 1165060), (52, 985820), (55, 932048), (65, 788656), (80, 640783), (88, 582530), (104, 492910), (110, 466024), (130, 394328), (143, 358480), (176, 291265), (208, 246455), (220, 233012), (260, 197164), (286, 179240), (440, 116506), (520, 98582), (572, 89620), (715, 71696), (880, 58253), (1040, 49291), (1144, 44810), (1430, 35848), (2288, 22405), (2860, 17924), (4481, 11440), (5720, 8962)]