12391340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47659}}^1$

素因数の和:47681

約数の個数: 24

約数和(自身を含む): 28024080

約数和(自身を除く): 15632740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47659, 95318, 190636, 238295, 476590, 619567, 953180, 1239134, 2478268, 3097835, 6195670, 12391340]

約数ペア:

[(1, 12391340), (2, 6195670), (4, 3097835), (5, 2478268), (10, 1239134), (13, 953180), (20, 619567), (26, 476590), (52, 238295), (65, 190636), (130, 95318), (260, 47659)]