22750180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12781}}^1$

素因数の和:12879

約数の個数: 24

約数和(自身を含む): 48315960

約数和(自身を除く): 25565780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12781, 25562, 51124, 63905, 127810, 255620, 1137509, 2275018, 4550036, 5687545, 11375090, 22750180]

約数ペア:

[(1, 22750180), (2, 11375090), (4, 5687545), (5, 4550036), (10, 2275018), (20, 1137509), (89, 255620), (178, 127810), (356, 63905), (445, 51124), (890, 25562), (1780, 12781)]