25344980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40879}}^1$

素因数の和:40919

約数の個数: 24

約数和(自身を含む): 54942720

約数和(自身を除く): 29597740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 40879, 81758, 163516, 204395, 408790, 817580, 1267249, 2534498, 5068996, 6336245, 12672490, 25344980]

約数ペア:

[(1, 25344980), (2, 12672490), (4, 6336245), (5, 5068996), (10, 2534498), (20, 1267249), (31, 817580), (62, 408790), (124, 204395), (155, 163516), (310, 81758), (620, 40879)]