25924940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18257}}^1$

素因数の和:18337

約数の個数: 24

約数和(自身を含む): 55212192

約数和(自身を除く): 29287252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18257, 36514, 73028, 91285, 182570, 365140, 1296247, 2592494, 5184988, 6481235, 12962470, 25924940]

約数ペア:

[(1, 25924940), (2, 12962470), (4, 6481235), (5, 5184988), (10, 2592494), (20, 1296247), (71, 365140), (142, 182570), (284, 91285), (355, 73028), (710, 36514), (1420, 18257)]