51391660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111721}}^1$

素因数の和:111753

約数の個数: 24

約数和(自身を含む): 112615776

約数和(自身を除く): 61224116

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 111721, 223442, 446884, 558605, 1117210, 2234420, 2569583, 5139166, 10278332, 12847915, 25695830, 51391660]

約数ペア:

[(1, 51391660), (2, 25695830), (4, 12847915), (5, 10278332), (10, 5139166), (20, 2569583), (23, 2234420), (46, 1117210), (92, 558605), (115, 446884), (230, 223442), (460, 111721)]