172925560

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{15607}}^1$

素因数の和:15895

約数の個数: 32

約数和(自身を含む): 390512160

約数和(自身を除く): 217586600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 15607, 31214, 62428, 78035, 124856, 156070, 312140, 624280, 4323139, 8646278, 17292556, 21615695, 34585112, 43231390, 86462780, 172925560]

約数ペア:

[(1, 172925560), (2, 86462780), (4, 43231390), (5, 34585112), (8, 21615695), (10, 17292556), (20, 8646278), (40, 4323139), (277, 624280), (554, 312140), (1108, 156070), (1385, 124856), (2216, 78035), (2770, 62428), (5540, 31214), (11080, 15607)]