90091240

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8311}}^1$

素因数の和:8593

約数の個数: 32

約数和(自身を含む): 203477760

約数和(自身を除く): 113386520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8311, 10840, 16622, 33244, 41555, 66488, 83110, 166220, 332440, 2252281, 4504562, 9009124, 11261405, 18018248, 22522810, 45045620, 90091240]

約数ペア:

[(1, 90091240), (2, 45045620), (4, 22522810), (5, 18018248), (8, 11261405), (10, 9009124), (20, 4504562), (40, 2252281), (271, 332440), (542, 166220), (1084, 83110), (1355, 66488), (2168, 41555), (2710, 33244), (5420, 16622), (8311, 10840)]