179920240

素因数分解:

$2^4\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{2069}}^1$

素因数の和:3169

約数の個数: 40

約数和(自身を含む): 418901760

約数和(自身を除く): 238981520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087, 2069, 2174, 4138, 4348, 5435, 8276, 8696, 10345, 10870, 16552, 17392, 20690, 21740, 33104, 41380, 43480, 82760, 86960, 165520, 2249003, 4498006, 8996012, 11245015, 17992024, 22490030, 35984048, 44980060, 89960120, 179920240]

約数ペア:

[(1, 179920240), (2, 89960120), (4, 44980060), (5, 35984048), (8, 22490030), (10, 17992024), (16, 11245015), (20, 8996012), (40, 4498006), (80, 2249003), (1087, 165520), (2069, 86960), (2174, 82760), (4138, 43480), (4348, 41380), (5435, 33104), (8276, 21740), (8696, 20690), (10345, 17392), (10870, 16552)]