40490980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5801}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 85289400

約数和(自身を除く): 44798420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 5801, 6980, 11602, 23204, 29005, 58010, 116020, 2024549, 4049098, 8098196, 10122745, 20245490, 40490980]

約数ペア:

[(1, 40490980), (2, 20245490), (4, 10122745), (5, 8098196), (10, 4049098), (20, 2024549), (349, 116020), (698, 58010), (1396, 29005), (1745, 23204), (3490, 11602), (5801, 6980)]