87623120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6481}}^1$

素因数の和:6520

約数の個数: 60

約数和(自身を含む): 220634316

約数和(自身を除く): 133011196

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6481, 6760, 12962, 13520, 25924, 32405, 51848, 64810, 84253, 103696, 129620, 168506, 259240, 337012, 421265, 518480, 674024, 842530, 1095289, 1348048, 1685060, 2190578, 3370120, 4381156, 5476445, 6740240, 8762312, 10952890, 17524624, 21905780, 43811560, 87623120]

約数ペア:

[(1, 87623120), (2, 43811560), (4, 21905780), (5, 17524624), (8, 10952890), (10, 8762312), (13, 6740240), (16, 5476445), (20, 4381156), (26, 3370120), (40, 2190578), (52, 1685060), (65, 1348048), (80, 1095289), (104, 842530), (130, 674024), (169, 518480), (208, 421265), (260, 337012), (338, 259240), (520, 168506), (676, 129620), (845, 103696), (1040, 84253), (1352, 64810), (1690, 51848), (2704, 32405), (3380, 25924), (6481, 13520), (6760, 12962)]