55641020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31259}}^1$

素因数の和:31357

約数の個数: 24

約数和(自身を含む): 118162800

約数和(自身を除く): 62521780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 31259, 62518, 125036, 156295, 312590, 625180, 2782051, 5564102, 11128204, 13910255, 27820510, 55641020]

約数ペア:

[(1, 55641020), (2, 27820510), (4, 13910255), (5, 11128204), (10, 5564102), (20, 2782051), (89, 625180), (178, 312590), (356, 156295), (445, 125036), (890, 62518), (1780, 31259)]