156972241520

素因数分解:

$2^4\times 5^1\times {\mathrm{1962153019}}^1$

素因数の和:1962153032

約数の個数: 20

約数和(自身を含む): 364960461720

約数和(自身を除く): 207988220200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962153019, 3924306038, 7848612076, 9810765095, 15697224152, 19621530190, 31394448304, 39243060380, 78486120760, 156972241520]

約数ペア:

[(1, 156972241520), (2, 78486120760), (4, 39243060380), (5, 31394448304), (8, 19621530190), (10, 15697224152), (16, 9810765095), (20, 7848612076), (40, 3924306038), (80, 1962153019)]