39628720

素因数分解:

$2^4\times 5^1\times {\mathrm{495359}}^1$

素因数の和:495372

約数の個数: 20

約数和(自身を含む): 92136960

約数和(自身を除く): 52508240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495359, 990718, 1981436, 2476795, 3962872, 4953590, 7925744, 9907180, 19814360, 39628720]

約数ペア:

[(1, 39628720), (2, 19814360), (4, 9907180), (5, 7925744), (8, 4953590), (10, 3962872), (16, 2476795), (20, 1981436), (40, 990718), (80, 495359)]