42690220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25717}}^1$

素因数の和:25809

約数の個数: 24

約数和(自身を含む): 90733104

約数和(自身を除く): 48042884

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 25717, 51434, 102868, 128585, 257170, 514340, 2134511, 4269022, 8538044, 10672555, 21345110, 42690220]

約数ペア:

[(1, 42690220), (2, 21345110), (4, 10672555), (5, 8538044), (10, 4269022), (20, 2134511), (83, 514340), (166, 257170), (332, 128585), (415, 102868), (830, 51434), (1660, 25717)]