7982780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30703}}^1$

素因数の和:30725

約数の個数: 24

約数和(自身を含む): 18053952

約数和(自身を除く): 10071172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30703, 61406, 122812, 153515, 307030, 399139, 614060, 798278, 1596556, 1995695, 3991390, 7982780]

約数ペア:

[(1, 7982780), (2, 3991390), (4, 1995695), (5, 1596556), (10, 798278), (13, 614060), (20, 399139), (26, 307030), (52, 153515), (65, 122812), (130, 61406), (260, 30703)]