30641825

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 39301056

約数和(自身を除く): 8659231

約数列:

[1, 5, 25, 61, 71, 283, 305, 355, 1415, 1525, 1775, 4331, 7075, 17263, 20093, 21655, 86315, 100465, 108275, 431575, 502325, 1225673, 6128365, 30641825]

約数ペア:

[(1, 30641825), (5, 6128365), (25, 1225673), (61, 502325), (71, 431575), (283, 108275), (305, 100465), (355, 86315), (1415, 21655), (1525, 20093), (1775, 17263), (4331, 7075)]