51142420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{365303}}^1$

素因数の和:365319

約数の個数: 24

約数和(自身を含む): 122742144

約数和(自身を除く): 71599724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 365303, 730606, 1461212, 1826515, 2557121, 3653030, 5114242, 7306060, 10228484, 12785605, 25571210, 51142420]

約数ペア:

[(1, 51142420), (2, 25571210), (4, 12785605), (5, 10228484), (7, 7306060), (10, 5114242), (14, 3653030), (20, 2557121), (28, 1826515), (35, 1461212), (70, 730606), (140, 365303)]