9890798660

素因数分解:

$2^2\times 5^1\times {\mathrm{4007}}^1\times {\mathrm{123419}}^1$

素因数の和:127435

約数の個数: 24

約数和(自身を含む): 20776029120

約数和(自身を除く): 10885230460

約数列:

[1, 2, 4, 5, 10, 20, 4007, 8014, 16028, 20035, 40070, 80140, 123419, 246838, 493676, 617095, 1234190, 2468380, 494539933, 989079866, 1978159732, 2472699665, 4945399330, 9890798660]

約数ペア:

[(1, 9890798660), (2, 4945399330), (4, 2472699665), (5, 1978159732), (10, 989079866), (20, 494539933), (4007, 2468380), (8014, 1234190), (16028, 617095), (20035, 493676), (40070, 246838), (80140, 123419)]