72228080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4583}}^1$

素因数の和:4793

約数の個数: 40

約数和(自身を含む): 168819552

約数和(自身を除く): 96591472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4583, 7880, 9166, 15760, 18332, 22915, 36664, 45830, 73328, 91660, 183320, 366640, 902851, 1805702, 3611404, 4514255, 7222808, 9028510, 14445616, 18057020, 36114040, 72228080]

約数ペア:

[(1, 72228080), (2, 36114040), (4, 18057020), (5, 14445616), (8, 9028510), (10, 7222808), (16, 4514255), (20, 3611404), (40, 1805702), (80, 902851), (197, 366640), (394, 183320), (788, 91660), (985, 73328), (1576, 45830), (1970, 36664), (3152, 22915), (3940, 18332), (4583, 15760), (7880, 9166)]