40224980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64879}}^1$

素因数の和:64919

約数の個数: 24

約数和(自身を含む): 87198720

約数和(自身を除く): 46973740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64879, 129758, 259516, 324395, 648790, 1297580, 2011249, 4022498, 8044996, 10056245, 20112490, 40224980]

約数ペア:

[(1, 40224980), (2, 20112490), (4, 10056245), (5, 8044996), (10, 4022498), (20, 2011249), (31, 1297580), (62, 648790), (124, 324395), (155, 259516), (310, 129758), (620, 64879)]