90566800

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1156

約数の個数: 60

約数和(自身を含む): 218681316

約数和(自身を除く): 128114516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 881, 1028, 1285, 1762, 2056, 2570, 3524, 4112, 4405, 5140, 6425, 7048, 8810, 10280, 12850, 14096, 17620, 20560, 22025, 25700, 35240, 44050, 51400, 70480, 88100, 102800, 176200, 226417, 352400, 452834, 905668, 1132085, 1811336, 2264170, 3622672, 4528340, 5660425, 9056680, 11320850, 18113360, 22641700, 45283400, 90566800]

約数ペア:

[(1, 90566800), (2, 45283400), (4, 22641700), (5, 18113360), (8, 11320850), (10, 9056680), (16, 5660425), (20, 4528340), (25, 3622672), (40, 2264170), (50, 1811336), (80, 1132085), (100, 905668), (200, 452834), (257, 352400), (400, 226417), (514, 176200), (881, 102800), (1028, 88100), (1285, 70480), (1762, 51400), (2056, 44050), (2570, 35240), (3524, 25700), (4112, 22025), (4405, 20560), (5140, 17620), (6425, 14096), (7048, 12850), (8810, 10280)]