28235360

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1619}}^1$

素因数の和:1743

約数の個数: 48

約数和(自身を含む): 67359600

約数和(自身を除く): 39124240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1619, 1744, 2180, 3238, 3488, 4360, 6476, 8095, 8720, 12952, 16190, 17440, 25904, 32380, 51808, 64760, 129520, 176471, 259040, 352942, 705884, 882355, 1411768, 1764710, 2823536, 3529420, 5647072, 7058840, 14117680, 28235360]

約数ペア:

[(1, 28235360), (2, 14117680), (4, 7058840), (5, 5647072), (8, 3529420), (10, 2823536), (16, 1764710), (20, 1411768), (32, 882355), (40, 705884), (80, 352942), (109, 259040), (160, 176471), (218, 129520), (436, 64760), (545, 51808), (872, 32380), (1090, 25904), (1619, 17440), (1744, 16190), (2180, 12952), (3238, 8720), (3488, 8095), (4360, 6476)]