7665740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20173}}^1$

素因数の和:20201

約数の個数: 24

約数和(自身を含む): 16946160

約数和(自身を除く): 9280420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20173, 40346, 80692, 100865, 201730, 383287, 403460, 766574, 1533148, 1916435, 3832870, 7665740]

約数ペア:

[(1, 7665740), (2, 3832870), (4, 1916435), (5, 1533148), (10, 766574), (19, 403460), (20, 383287), (38, 201730), (76, 100865), (95, 80692), (190, 40346), (380, 20173)]