4520005

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 6648480

約数和(自身を除く): 2128475

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 971, 4655, 4855, 6797, 18449, 33985, 47579, 92245, 129143, 237895, 645715, 904001, 4520005]

約数ペア:

[(1, 4520005), (5, 904001), (7, 645715), (19, 237895), (35, 129143), (49, 92245), (95, 47579), (133, 33985), (245, 18449), (665, 6797), (931, 4855), (971, 4655)]