164756005

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 210672000

約数和(自身を除く): 45915995

約数列:

[1, 5, 37, 43, 139, 149, 185, 215, 695, 745, 1591, 5143, 5513, 5977, 6407, 7955, 20711, 25715, 27565, 29885, 32035, 103555, 221149, 237059, 766307, 890573, 1105745, 1185295, 3831535, 4452865, 32951201, 164756005]

約数ペア:

[(1, 164756005), (5, 32951201), (37, 4452865), (43, 3831535), (139, 1185295), (149, 1105745), (185, 890573), (215, 766307), (695, 237059), (745, 221149), (1591, 103555), (5143, 32035), (5513, 29885), (5977, 27565), (6407, 25715), (7955, 20711)]