31460481040

素因数分解:

$2^4\times 5^1\times {\mathrm{393256013}}^1$

素因数の和:393256026

約数の個数: 20

約数和(自身を含む): 73145618604

約数和(自身を除く): 41685137564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393256013, 786512026, 1573024052, 1966280065, 3146048104, 3932560130, 6292096208, 7865120260, 15730240520, 31460481040]

約数ペア:

[(1, 31460481040), (2, 15730240520), (4, 7865120260), (5, 6292096208), (8, 3932560130), (10, 3146048104), (16, 1966280065), (20, 1573024052), (40, 786512026), (80, 393256013)]