42839140

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{2179}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 90095040

約数和(自身を除く): 47255900

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 2179, 3932, 4358, 4915, 8716, 9830, 10895, 19660, 21790, 43580, 2141957, 4283914, 8567828, 10709785, 21419570, 42839140]

約数ペア:

[(1, 42839140), (2, 21419570), (4, 10709785), (5, 8567828), (10, 4283914), (20, 2141957), (983, 43580), (1966, 21790), (2179, 19660), (3932, 10895), (4358, 9830), (4915, 8716)]