487998040

素因数分解:

$2^3\times 5^1\times {\mathrm{12199951}}^1$

素因数の和:12199962

約数の個数: 16

約数和(自身を含む): 1097995680

約数和(自身を除く): 609997640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12199951, 24399902, 48799804, 60999755, 97599608, 121999510, 243999020, 487998040]

約数ペア:

[(1, 487998040), (2, 243999020), (4, 121999510), (5, 97599608), (8, 60999755), (10, 48799804), (20, 24399902), (40, 12199951)]