25174927240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8864411}}^1$

素因数の和:8864493

約数の個数: 32

約数和(自身を含む): 57441389760

約数和(自身を除く): 32266462520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8864411, 17728822, 35457644, 44322055, 70915288, 88644110, 177288220, 354576440, 629373181, 1258746362, 2517492724, 3146865905, 5034985448, 6293731810, 12587463620, 25174927240]

約数ペア:

[(1, 25174927240), (2, 12587463620), (4, 6293731810), (5, 5034985448), (8, 3146865905), (10, 2517492724), (20, 1258746362), (40, 629373181), (71, 354576440), (142, 177288220), (284, 88644110), (355, 70915288), (568, 44322055), (710, 35457644), (1420, 17728822), (2840, 8864411)]