45840280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18787}}^1$

素因数の和:18859

約数の個数: 32

約数和(自身を含む): 104837040

約数和(自身を除く): 58996760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 18787, 37574, 75148, 93935, 150296, 187870, 375740, 751480, 1146007, 2292014, 4584028, 5730035, 9168056, 11460070, 22920140, 45840280]

約数ペア:

[(1, 45840280), (2, 22920140), (4, 11460070), (5, 9168056), (8, 5730035), (10, 4584028), (20, 2292014), (40, 1146007), (61, 751480), (122, 375740), (244, 187870), (305, 150296), (488, 93935), (610, 75148), (1220, 37574), (2440, 18787)]