15421240

素因数分解:

$2^3\times 5^1\times {\mathrm{385531}}^1$

素因数の和:385542

約数の個数: 16

約数和(自身を含む): 34697880

約数和(自身を除く): 19276640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385531, 771062, 1542124, 1927655, 3084248, 3855310, 7710620, 15421240]

約数ペア:

[(1, 15421240), (2, 7710620), (4, 3855310), (5, 3084248), (8, 1927655), (10, 1542124), (20, 771062), (40, 385531)]