87889820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{231289}}^1$

素因数の和:231317

約数の個数: 24

約数和(自身を含む): 194283600

約数和(自身を除く): 106393780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 231289, 462578, 925156, 1156445, 2312890, 4394491, 4625780, 8788982, 17577964, 21972455, 43944910, 87889820]

約数ペア:

[(1, 87889820), (2, 43944910), (4, 21972455), (5, 17577964), (10, 8788982), (19, 4625780), (20, 4394491), (38, 2312890), (76, 1156445), (95, 925156), (190, 462578), (380, 231289)]