51620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 113400

約数和(自身を除く): 61780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1780, 2581, 5162, 10324, 12905, 25810, 51620]

約数ペア:

[(1, 51620), (2, 25810), (4, 12905), (5, 10324), (10, 5162), (20, 2581), (29, 1780), (58, 890), (89, 580), (116, 445), (145, 356), (178, 290)]