78915680

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2851}}^1$

素因数の和:3039

約数の個数: 48

約数和(自身を含む): 187581744

約数和(自身を除く): 108666064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 2851, 3460, 5536, 5702, 6920, 11404, 13840, 14255, 22808, 27680, 28510, 45616, 57020, 91232, 114040, 228080, 456160, 493223, 986446, 1972892, 2466115, 3945784, 4932230, 7891568, 9864460, 15783136, 19728920, 39457840, 78915680]

約数ペア:

[(1, 78915680), (2, 39457840), (4, 19728920), (5, 15783136), (8, 9864460), (10, 7891568), (16, 4932230), (20, 3945784), (32, 2466115), (40, 1972892), (80, 986446), (160, 493223), (173, 456160), (346, 228080), (692, 114040), (865, 91232), (1384, 57020), (1730, 45616), (2768, 28510), (2851, 27680), (3460, 22808), (5536, 14255), (5702, 13840), (6920, 11404)]