87190480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6449}}^1$

素因数の和:6488

約数の個数: 60

約数和(自身を含む): 219545100

約数和(自身を除く): 132354620

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, 6449, 6760, 12898, 13520, 25796, 32245, 51592, 64490, 83837, 103184, 128980, 167674, 257960, 335348, 419185, 515920, 670696, 838370, 1089881, 1341392, 1676740, 2179762, 3353480, 4359524, 5449405, 6706960, 8719048, 10898810, 17438096, 21797620, 43595240, 87190480]

約数ペア:

[(1, 87190480), (2, 43595240), (4, 21797620), (5, 17438096), (8, 10898810), (10, 8719048), (13, 6706960), (16, 5449405), (20, 4359524), (26, 3353480), (40, 2179762), (52, 1676740), (65, 1341392), (80, 1089881), (104, 838370), (130, 670696), (169, 515920), (208, 419185), (260, 335348), (338, 257960), (520, 167674), (676, 128980), (845, 103184), (1040, 83837), (1352, 64490), (1690, 51592), (2704, 32245), (3380, 25796), (6449, 13520), (6760, 12898)]