42377980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111521}}^1$

素因数の和:111549

約数の個数: 24

約数和(自身を含む): 93678480

約数和(自身を除く): 51300500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 111521, 223042, 446084, 557605, 1115210, 2118899, 2230420, 4237798, 8475596, 10594495, 21188990, 42377980]

約数ペア:

[(1, 42377980), (2, 21188990), (4, 10594495), (5, 8475596), (10, 4237798), (19, 2230420), (20, 2118899), (38, 1115210), (76, 557605), (95, 446084), (190, 223042), (380, 111521)]