4080558740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1299541}}^1$

素因数の和:1299707

約数の個数: 24

約数和(自身を含む): 8623760712

約数和(自身を除く): 4543201972

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 1299541, 2599082, 5198164, 6497705, 12995410, 25990820, 204027937, 408055874, 816111748, 1020139685, 2040279370, 4080558740]

約数ペア:

[(1, 4080558740), (2, 2040279370), (4, 1020139685), (5, 816111748), (10, 408055874), (20, 204027937), (157, 25990820), (314, 12995410), (628, 6497705), (785, 5198164), (1570, 2599082), (3140, 1299541)]