51531160

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2531}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 116218800

約数和(自身を除く): 64687640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2531, 2545, 4072, 5062, 5090, 10124, 10180, 12655, 20248, 20360, 25310, 50620, 101240, 1288279, 2576558, 5153116, 6441395, 10306232, 12882790, 25765580, 51531160]

約数ペア:

[(1, 51531160), (2, 25765580), (4, 12882790), (5, 10306232), (8, 6441395), (10, 5153116), (20, 2576558), (40, 1288279), (509, 101240), (1018, 50620), (2036, 25310), (2531, 20360), (2545, 20248), (4072, 12655), (5062, 10180), (5090, 10124)]