424720

素因数分解:

$2^4\times 5^1\times {\mathrm{5309}}^1$

素因数の和:5322

約数の個数: 20

約数和(自身を含む): 987660

約数和(自身を除く): 562940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5309, 10618, 21236, 26545, 42472, 53090, 84944, 106180, 212360, 424720]

約数ペア:

[(1, 424720), (2, 212360), (4, 106180), (5, 84944), (8, 53090), (10, 42472), (16, 26545), (20, 21236), (40, 10618), (80, 5309)]