258055960

素因数分解:

$2^3\times 5^1\times {\mathrm{6451399}}^1$

素因数の和:6451410

約数の個数: 16

約数和(自身を含む): 580626000

約数和(自身を除く): 322570040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6451399, 12902798, 25805596, 32256995, 51611192, 64513990, 129027980, 258055960]

約数ペア:

[(1, 258055960), (2, 129027980), (4, 64513990), (5, 51611192), (8, 32256995), (10, 25805596), (20, 12902798), (40, 6451399)]