4990120

素因数分解:

$2^3\times 5^1\times {\mathrm{124753}}^1$

素因数の和:124764

約数の個数: 16

約数和(自身を含む): 11227860

約数和(自身を除く): 6237740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 124753, 249506, 499012, 623765, 998024, 1247530, 2495060, 4990120]

約数ペア:

[(1, 4990120), (2, 2495060), (4, 1247530), (5, 998024), (8, 623765), (10, 499012), (20, 249506), (40, 124753)]