9997780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38453}}^1$

素因数の和:38475

約数の個数: 24

約数和(自身を含む): 22610952

約数和(自身を除く): 12613172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 38453, 76906, 153812, 192265, 384530, 499889, 769060, 999778, 1999556, 2499445, 4998890, 9997780]

約数ペア:

[(1, 9997780), (2, 4998890), (4, 2499445), (5, 1999556), (10, 999778), (13, 769060), (20, 499889), (26, 384530), (52, 192265), (65, 153812), (130, 76906), (260, 38453)]