28127420

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1201}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 59167248

約数和(自身を除く): 31039828

約数列:

[1, 2, 4, 5, 10, 20, 1171, 1201, 2342, 2402, 4684, 4804, 5855, 6005, 11710, 12010, 23420, 24020, 1406371, 2812742, 5625484, 7031855, 14063710, 28127420]

約数ペア:

[(1, 28127420), (2, 14063710), (4, 7031855), (5, 5625484), (10, 2812742), (20, 1406371), (1171, 24020), (1201, 23420), (2342, 12010), (2402, 11710), (4684, 6005), (4804, 5855)]