25631320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 64

約数和(自身を含む): 67767840

約数和(自身を除く): 42136520

約数列:

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

約数ペア:

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