2020292080

素因数分解:

$2^4\times 5^1\times {\mathrm{3373}}^1\times {\mathrm{7487}}^1$

素因数の和:10873

約数の個数: 40

約数和(自身を含む): 4699199232

約数和(自身を除く): 2678907152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3373, 6746, 7487, 13492, 14974, 16865, 26984, 29948, 33730, 37435, 53968, 59896, 67460, 74870, 119792, 134920, 149740, 269840, 299480, 598960, 25253651, 50507302, 101014604, 126268255, 202029208, 252536510, 404058416, 505073020, 1010146040, 2020292080]

約数ペア:

[(1, 2020292080), (2, 1010146040), (4, 505073020), (5, 404058416), (8, 252536510), (10, 202029208), (16, 126268255), (20, 101014604), (40, 50507302), (80, 25253651), (3373, 598960), (6746, 299480), (7487, 269840), (13492, 149740), (14974, 134920), (16865, 119792), (26984, 74870), (29948, 67460), (33730, 59896), (37435, 53968)]