28102420

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1871}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 59125248

約数和(自身を除く): 31022828

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 1871, 3004, 3742, 3755, 7484, 7510, 9355, 15020, 18710, 37420, 1405121, 2810242, 5620484, 7025605, 14051210, 28102420]

約数ペア:

[(1, 28102420), (2, 14051210), (4, 7025605), (5, 5620484), (10, 2810242), (20, 1405121), (751, 37420), (1502, 18710), (1871, 15020), (3004, 9355), (3742, 7510), (3755, 7484)]