82771280

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1439}}^1$

素因数の和:2171

約数の個数: 40

約数和(自身を含む): 192844800

約数和(自身を除く): 110073520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1438, 1439, 2876, 2878, 3595, 5752, 5756, 7190, 7195, 11504, 11512, 14380, 14390, 23024, 28760, 28780, 57520, 57560, 115120, 1034641, 2069282, 4138564, 5173205, 8277128, 10346410, 16554256, 20692820, 41385640, 82771280]

約数ペア:

[(1, 82771280), (2, 41385640), (4, 20692820), (5, 16554256), (8, 10346410), (10, 8277128), (16, 5173205), (20, 4138564), (40, 2069282), (80, 1034641), (719, 115120), (1438, 57560), (1439, 57520), (2876, 28780), (2878, 28760), (3595, 23024), (5752, 14390), (5756, 14380), (7190, 11512), (7195, 11504)]