25981420

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1163}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 54656784

約数和(自身を除く): 28675364

約数列:

[1, 2, 4, 5, 10, 20, 1117, 1163, 2234, 2326, 4468, 4652, 5585, 5815, 11170, 11630, 22340, 23260, 1299071, 2598142, 5196284, 6495355, 12990710, 25981420]

約数ペア:

[(1, 25981420), (2, 12990710), (4, 6495355), (5, 5196284), (10, 2598142), (20, 1299071), (1117, 23260), (1163, 22340), (2234, 11630), (2326, 11170), (4468, 5815), (4652, 5585)]