25381240

素因数分解:

$2^3\times 5^1\times {\mathrm{634531}}^1$

素因数の和:634542

約数の個数: 16

約数和(自身を含む): 57107880

約数和(自身を除く): 31726640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 634531, 1269062, 2538124, 3172655, 5076248, 6345310, 12690620, 25381240]

約数ペア:

[(1, 25381240), (2, 12690620), (4, 6345310), (5, 5076248), (8, 3172655), (10, 2538124), (20, 1269062), (40, 634531)]