65105420

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{5701}}^1$

素因数の和:6281

約数の個数: 24

約数和(自身を含む): 136984848

約数和(自身を除く): 71879428

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5701, 5710, 11402, 11420, 22804, 28505, 57010, 114020, 3255271, 6510542, 13021084, 16276355, 32552710, 65105420]

約数ペア:

[(1, 65105420), (2, 32552710), (4, 16276355), (5, 13021084), (10, 6510542), (20, 3255271), (571, 114020), (1142, 57010), (2284, 28505), (2855, 22804), (5701, 11420), (5710, 11402)]