25925180

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3079}}^1$

素因数の和:3509

約数の個数: 24

約数和(自身を含む): 54589920

約数和(自身を除く): 28664740

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 3079, 4210, 6158, 8420, 12316, 15395, 30790, 61580, 1296259, 2592518, 5185036, 6481295, 12962590, 25925180]

約数ペア:

[(1, 25925180), (2, 12962590), (4, 6481295), (5, 5185036), (10, 2592518), (20, 1296259), (421, 61580), (842, 30790), (1684, 15395), (2105, 12316), (3079, 8420), (4210, 6158)]