51636020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{29009}}^1$

素因数の和:29107

約数の個数: 24

約数和(自身を含む): 109657800

約数和(自身を除く): 58021780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 29009, 58018, 116036, 145045, 290090, 580180, 2581801, 5163602, 10327204, 12909005, 25818010, 51636020]

約数ペア:

[(1, 51636020), (2, 25818010), (4, 12909005), (5, 10327204), (10, 5163602), (20, 2581801), (89, 580180), (178, 290090), (356, 145045), (445, 116036), (890, 58018), (1780, 29009)]