80841440

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3391}}^1$

素因数の和:3555

約数の個数: 48

約数和(自身を含む): 192326400

約数和(自身を除く): 111484960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 3391, 4768, 5960, 6782, 11920, 13564, 16955, 23840, 27128, 33910, 54256, 67820, 108512, 135640, 271280, 505259, 542560, 1010518, 2021036, 2526295, 4042072, 5052590, 8084144, 10105180, 16168288, 20210360, 40420720, 80841440]

約数ペア:

[(1, 80841440), (2, 40420720), (4, 20210360), (5, 16168288), (8, 10105180), (10, 8084144), (16, 5052590), (20, 4042072), (32, 2526295), (40, 2021036), (80, 1010518), (149, 542560), (160, 505259), (298, 271280), (596, 135640), (745, 108512), (1192, 67820), (1490, 54256), (2384, 33910), (2980, 27128), (3391, 23840), (4768, 16955), (5960, 13564), (6782, 11920)]