8277620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 19676160

約数和(自身を除く): 11398540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 79, 124, 130, 155, 158, 169, 260, 310, 316, 338, 395, 403, 620, 676, 790, 806, 845, 1027, 1580, 1612, 1690, 2015, 2054, 2449, 3380, 4030, 4108, 4898, 5135, 5239, 8060, 9796, 10270, 10478, 12245, 13351, 20540, 20956, 24490, 26195, 26702, 31837, 48980, 52390, 53404, 63674, 66755, 104780, 127348, 133510, 159185, 267020, 318370, 413881, 636740, 827762, 1655524, 2069405, 4138810, 8277620]

約数ペア:

[(1, 8277620), (2, 4138810), (4, 2069405), (5, 1655524), (10, 827762), (13, 636740), (20, 413881), (26, 318370), (31, 267020), (52, 159185), (62, 133510), (65, 127348), (79, 104780), (124, 66755), (130, 63674), (155, 53404), (158, 52390), (169, 48980), (260, 31837), (310, 26702), (316, 26195), (338, 24490), (395, 20956), (403, 20540), (620, 13351), (676, 12245), (790, 10478), (806, 10270), (845, 9796), (1027, 8060), (1580, 5239), (1612, 5135), (1690, 4898), (2015, 4108), (2054, 4030), (2449, 3380)]