25015820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2971}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 52675728

約数和(自身を除く): 27659908

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2971, 4210, 5942, 8420, 11884, 14855, 29710, 59420, 1250791, 2501582, 5003164, 6253955, 12507910, 25015820]

約数ペア:

[(1, 25015820), (2, 12507910), (4, 6253955), (5, 5003164), (10, 2501582), (20, 1250791), (421, 59420), (842, 29710), (1684, 14855), (2105, 11884), (2971, 8420), (4210, 5942)]