90731840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14923}}^1$

素因数の和:14959

約数の個数: 56

約数和(自身を含む): 227441760

約数和(自身を除く): 136709920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 14923, 29846, 59692, 74615, 119384, 149230, 238768, 283537, 298460, 477536, 567074, 596920, 955072, 1134148, 1193840, 1417685, 2268296, 2387680, 2835370, 4536592, 4775360, 5670740, 9073184, 11341480, 18146368, 22682960, 45365920, 90731840]

約数ペア:

[(1, 90731840), (2, 45365920), (4, 22682960), (5, 18146368), (8, 11341480), (10, 9073184), (16, 5670740), (19, 4775360), (20, 4536592), (32, 2835370), (38, 2387680), (40, 2268296), (64, 1417685), (76, 1193840), (80, 1134148), (95, 955072), (152, 596920), (160, 567074), (190, 477536), (304, 298460), (320, 283537), (380, 238768), (608, 149230), (760, 119384), (1216, 74615), (1520, 59692), (3040, 29846), (6080, 14923)]