79387120

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2551}}^1$

素因数の和:2953

約数の個数: 40

約数和(自身を含む): 185122080

約数和(自身を除く): 105734960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 2551, 3112, 3890, 5102, 6224, 7780, 10204, 12755, 15560, 20408, 25510, 31120, 40816, 51020, 102040, 204080, 992339, 1984678, 3969356, 4961695, 7938712, 9923390, 15877424, 19846780, 39693560, 79387120]

約数ペア:

[(1, 79387120), (2, 39693560), (4, 19846780), (5, 15877424), (8, 9923390), (10, 7938712), (16, 4961695), (20, 3969356), (40, 1984678), (80, 992339), (389, 204080), (778, 102040), (1556, 51020), (1945, 40816), (2551, 31120), (3112, 25510), (3890, 20408), (5102, 15560), (6224, 12755), (7780, 10204)]