12898420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4271}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 27272448

約数和(自身を除く): 14374028

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 4271, 8542, 17084, 21355, 42710, 85420, 644921, 1289842, 2579684, 3224605, 6449210, 12898420]

約数ペア:

[(1, 12898420), (2, 6449210), (4, 3224605), (5, 2579684), (10, 1289842), (20, 644921), (151, 85420), (302, 42710), (604, 21355), (755, 17084), (1510, 8542), (3020, 4271)]