25285980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421433}}^1$

素因数の和:421445

約数の個数: 24

約数和(自身を含む): 70800912

約数和(自身を除く): 45514932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421433, 842866, 1264299, 1685732, 2107165, 2528598, 4214330, 5057196, 6321495, 8428660, 12642990, 25285980]

約数ペア:

[(1, 25285980), (2, 12642990), (3, 8428660), (4, 6321495), (5, 5057196), (6, 4214330), (10, 2528598), (12, 2107165), (15, 1685732), (20, 1264299), (30, 842866), (60, 421433)]