79862020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{863}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 192181248

約数和(自身を除く): 112319228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 863, 1322, 1726, 2644, 3305, 3452, 4315, 4627, 6041, 6610, 8630, 9254, 12082, 13220, 17260, 18508, 23135, 24164, 30205, 46270, 60410, 92540, 120820, 570443, 1140886, 2281772, 2852215, 3993101, 5704430, 7986202, 11408860, 15972404, 19965505, 39931010, 79862020]

約数ペア:

[(1, 79862020), (2, 39931010), (4, 19965505), (5, 15972404), (7, 11408860), (10, 7986202), (14, 5704430), (20, 3993101), (28, 2852215), (35, 2281772), (70, 1140886), (140, 570443), (661, 120820), (863, 92540), (1322, 60410), (1726, 46270), (2644, 30205), (3305, 24164), (3452, 23135), (4315, 18508), (4627, 17260), (6041, 13220), (6610, 12082), (8630, 9254)]