69640870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6781}}^1$

素因数の和:6880

約数の個数: 32

約数和(自身を含む): 136725120

約数和(自身を除く): 67084250

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 6781, 10270, 13562, 33905, 67810, 88153, 176306, 440765, 535699, 881530, 1071398, 2678495, 5356990, 6964087, 13928174, 34820435, 69640870]

約数ペア:

[(1, 69640870), (2, 34820435), (5, 13928174), (10, 6964087), (13, 5356990), (26, 2678495), (65, 1071398), (79, 881530), (130, 535699), (158, 440765), (395, 176306), (790, 88153), (1027, 67810), (2054, 33905), (5135, 13562), (6781, 10270)]