25480460

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4019}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 53691120

約数和(自身を除く): 28210660

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 4019, 6340, 8038, 16076, 20095, 40190, 80380, 1274023, 2548046, 5096092, 6370115, 12740230, 25480460]

約数ペア:

[(1, 25480460), (2, 12740230), (4, 6370115), (5, 5096092), (10, 2548046), (20, 1274023), (317, 80380), (634, 40190), (1268, 20095), (1585, 16076), (3170, 8038), (4019, 6340)]