109215640

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{7019}}^1$

素因数の和:7419

約数の個数: 32

約数和(自身を含む): 246402000

約数和(自身を除く): 137186360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7019, 7780, 14038, 15560, 28076, 35095, 56152, 70190, 140380, 280760, 2730391, 5460782, 10921564, 13651955, 21843128, 27303910, 54607820, 109215640]

約数ペア:

[(1, 109215640), (2, 54607820), (4, 27303910), (5, 21843128), (8, 13651955), (10, 10921564), (20, 5460782), (40, 2730391), (389, 280760), (778, 140380), (1556, 70190), (1945, 56152), (3112, 35095), (3890, 28076), (7019, 15560), (7780, 14038)]