81129740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{176369}}^1$

素因数の和:176401

約数の個数: 24

約数和(自身を含む): 177780960

約数和(自身を除く): 96651220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 176369, 352738, 705476, 881845, 1763690, 3527380, 4056487, 8112974, 16225948, 20282435, 40564870, 81129740]

約数ペア:

[(1, 81129740), (2, 40564870), (4, 20282435), (5, 16225948), (10, 8112974), (20, 4056487), (23, 3527380), (46, 1763690), (92, 881845), (115, 705476), (230, 352738), (460, 176369)]