80265665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 103403520

約数和(自身を除く): 23137855

約数列:

[1, 5, 31, 59, 67, 131, 155, 295, 335, 655, 1829, 2077, 3953, 4061, 7729, 8777, 9145, 10385, 19765, 20305, 38645, 43885, 122543, 239599, 272087, 517843, 612715, 1197995, 1360435, 2589215, 16053133, 80265665]

約数ペア:

[(1, 80265665), (5, 16053133), (31, 2589215), (59, 1360435), (67, 1197995), (131, 612715), (155, 517843), (295, 272087), (335, 239599), (655, 122543), (1829, 43885), (2077, 38645), (3953, 20305), (4061, 19765), (7729, 10385), (8777, 9145)]