39621520

素因数分解:

$2^4\times 5^1\times {\mathrm{495269}}^1$

素因数の和:495282

約数の個数: 20

約数和(自身を含む): 92120220

約数和(自身を除く): 52498700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495269, 990538, 1981076, 2476345, 3962152, 4952690, 7924304, 9905380, 19810760, 39621520]

約数ペア:

[(1, 39621520), (2, 19810760), (4, 9905380), (5, 7924304), (8, 4952690), (10, 3962152), (16, 2476345), (20, 1981076), (40, 990538), (80, 495269)]