40103920

素因数分解:

$2^4\times 5^1\times {\mathrm{501299}}^1$

素因数の和:501312

約数の個数: 20

約数和(自身を含む): 93241800

約数和(自身を除く): 53137880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501299, 1002598, 2005196, 2506495, 4010392, 5012990, 8020784, 10025980, 20051960, 40103920]

約数ペア:

[(1, 40103920), (2, 20051960), (4, 10025980), (5, 8020784), (8, 5012990), (10, 4010392), (16, 2506495), (20, 2005196), (40, 1002598), (80, 501299)]