78883870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7780

約数の個数: 32

約数和(自身を含む): 154869120

約数和(自身を除く): 75985250

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 7681, 10270, 15362, 38405, 76810, 99853, 199706, 499265, 606799, 998530, 1213598, 3033995, 6067990, 7888387, 15776774, 39441935, 78883870]

約数ペア:

[(1, 78883870), (2, 39441935), (5, 15776774), (10, 7888387), (13, 6067990), (26, 3033995), (65, 1213598), (79, 998530), (130, 606799), (158, 499265), (395, 199706), (790, 99853), (1027, 76810), (2054, 38405), (5135, 15362), (7681, 10270)]