1970420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 4191264

約数和(自身を除く): 2220844

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1187, 1660, 2374, 4748, 5935, 11870, 23740, 98521, 197042, 394084, 492605, 985210, 1970420]

約数ペア:

[(1, 1970420), (2, 985210), (4, 492605), (5, 394084), (10, 197042), (20, 98521), (83, 23740), (166, 11870), (332, 5935), (415, 4748), (830, 2374), (1187, 1660)]