45818680

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1787}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 103310640

約数和(自身を除く): 57491960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 1787, 2564, 3205, 3574, 5128, 6410, 7148, 8935, 12820, 14296, 17870, 25640, 35740, 71480, 1145467, 2290934, 4581868, 5727335, 9163736, 11454670, 22909340, 45818680]

約数ペア:

[(1, 45818680), (2, 22909340), (4, 11454670), (5, 9163736), (8, 5727335), (10, 4581868), (20, 2290934), (40, 1145467), (641, 71480), (1282, 35740), (1787, 25640), (2564, 17870), (3205, 14296), (3574, 12820), (5128, 8935), (6410, 7148)]