89960120

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{2069}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 202694400

約数和(自身を除く): 112734280

約数列:

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

約数ペア:

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