129139160

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{6173}}^1$

素因数の和:6707

約数の個数: 32

約数和(自身を含む): 291165840

約数和(自身を除く): 162026680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 6173, 10460, 12346, 20920, 24692, 30865, 49384, 61730, 123460, 246920, 3228479, 6456958, 12913916, 16142395, 25827832, 32284790, 64569580, 129139160]

約数ペア:

[(1, 129139160), (2, 64569580), (4, 32284790), (5, 25827832), (8, 16142395), (10, 12913916), (20, 6456958), (40, 3228479), (523, 246920), (1046, 123460), (2092, 61730), (2615, 49384), (4184, 30865), (5230, 24692), (6173, 20920), (10460, 12346)]