280124960

素因数分解:

$2^5\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1669}}^1$

素因数の和:2733

約数の個数: 48

約数和(自身を含む): 662823000

約数和(自身を除く): 382698040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1049, 1669, 2098, 3338, 4196, 5245, 6676, 8345, 8392, 10490, 13352, 16690, 16784, 20980, 26704, 33380, 33568, 41960, 53408, 66760, 83920, 133520, 167840, 267040, 1750781, 3501562, 7003124, 8753905, 14006248, 17507810, 28012496, 35015620, 56024992, 70031240, 140062480, 280124960]

約数ペア:

[(1, 280124960), (2, 140062480), (4, 70031240), (5, 56024992), (8, 35015620), (10, 28012496), (16, 17507810), (20, 14006248), (32, 8753905), (40, 7003124), (80, 3501562), (160, 1750781), (1049, 267040), (1669, 167840), (2098, 133520), (3338, 83920), (4196, 66760), (5245, 53408), (6676, 41960), (8345, 33568), (8392, 33380), (10490, 26704), (13352, 20980), (16690, 16784)]