12913625320

素因数分解:

$2^3\times 5^1\times {\mathrm{322840633}}^1$

素因数の和:322840644

約数の個数: 16

約数和(自身を含む): 29055657060

約数和(自身を除く): 16142031740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322840633, 645681266, 1291362532, 1614203165, 2582725064, 3228406330, 6456812660, 12913625320]

約数ペア:

[(1, 12913625320), (2, 6456812660), (4, 3228406330), (5, 2582725064), (8, 1614203165), (10, 1291362532), (20, 645681266), (40, 322840633)]