81410290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7927}}^1$

素因数の和:8026

約数の個数: 32

約数和(自身を含む): 159828480

約数和(自身を除く): 78418190

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 7927, 10270, 15854, 39635, 79270, 103051, 206102, 515255, 626233, 1030510, 1252466, 3131165, 6262330, 8141029, 16282058, 40705145, 81410290]

約数ペア:

[(1, 81410290), (2, 40705145), (5, 16282058), (10, 8141029), (13, 6262330), (26, 3131165), (65, 1252466), (79, 1030510), (130, 626233), (158, 515255), (395, 206102), (790, 103051), (1027, 79270), (2054, 39635), (5135, 15854), (7927, 10270)]