111431480

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5347}}^1$

素因数の和:5879

約数の個数: 32

約数和(自身を含む): 251249040

約数和(自身を除く): 139817560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 5347, 10420, 10694, 20840, 21388, 26735, 42776, 53470, 106940, 213880, 2785787, 5571574, 11143148, 13928935, 22286296, 27857870, 55715740, 111431480]

約数ペア:

[(1, 111431480), (2, 55715740), (4, 27857870), (5, 22286296), (8, 13928935), (10, 11143148), (20, 5571574), (40, 2785787), (521, 213880), (1042, 106940), (2084, 53470), (2605, 42776), (4168, 26735), (5210, 21388), (5347, 20840), (10420, 10694)]