2049580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7883}}^1$

素因数の和:7905

約数の個数: 24

約数和(自身を含む): 4635792

約数和(自身を除く): 2586212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7883, 15766, 31532, 39415, 78830, 102479, 157660, 204958, 409916, 512395, 1024790, 2049580]

約数ペア:

[(1, 2049580), (2, 1024790), (4, 512395), (5, 409916), (10, 204958), (13, 157660), (20, 102479), (26, 78830), (52, 39415), (65, 31532), (130, 15766), (260, 7883)]