12909910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7639}}^1$

素因数の和:7672

約数の個数: 24

約数和(自身を含む): 25166160

約数和(自身を除く): 12256250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 7639, 15278, 38195, 76390, 99307, 198614, 496535, 993070, 1290991, 2581982, 6454955, 12909910]

約数ペア:

[(1, 12909910), (2, 6454955), (5, 2581982), (10, 1290991), (13, 993070), (26, 496535), (65, 198614), (130, 99307), (169, 76390), (338, 38195), (845, 15278), (1690, 7639)]