31212380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67853}}^1$

素因数の和:67885

約数の個数: 24

約数和(自身を含む): 68396832

約数和(自身を除く): 37184452

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 67853, 135706, 271412, 339265, 678530, 1357060, 1560619, 3121238, 6242476, 7803095, 15606190, 31212380]

約数ペア:

[(1, 31212380), (2, 15606190), (4, 7803095), (5, 6242476), (10, 3121238), (20, 1560619), (23, 1357060), (46, 678530), (92, 339265), (115, 271412), (230, 135706), (460, 67853)]