86844880

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1571}}^1$

素因数の和:2275

約数の個数: 40

約数和(自身を含む): 202335264

約数和(自身を除く): 115490384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 1571, 2764, 3142, 3455, 5528, 6284, 6910, 7855, 11056, 12568, 13820, 15710, 25136, 27640, 31420, 55280, 62840, 125680, 1085561, 2171122, 4342244, 5427805, 8684488, 10855610, 17368976, 21711220, 43422440, 86844880]

約数ペア:

[(1, 86844880), (2, 43422440), (4, 21711220), (5, 17368976), (8, 10855610), (10, 8684488), (16, 5427805), (20, 4342244), (40, 2171122), (80, 1085561), (691, 125680), (1382, 62840), (1571, 55280), (2764, 31420), (3142, 27640), (3455, 25136), (5528, 15710), (6284, 13820), (6910, 12568), (7855, 11056)]