25641004030

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3123143}}^1$

素因数の和:3123971

約数の個数: 16

約数和(自身を含む): 46210038624

約数和(自身を除く): 20569034594

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 3123143, 6246286, 15615715, 31231430, 2564100403, 5128200806, 12820502015, 25641004030]

約数ペア:

[(1, 25641004030), (2, 12820502015), (5, 5128200806), (10, 2564100403), (821, 31231430), (1642, 15615715), (4105, 6246286), (8210, 3123143)]