90556520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 213995520

約数和(自身を除く): 123439000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 257, 383, 460, 514, 766, 920, 1028, 1285, 1532, 1915, 2056, 2570, 3064, 3830, 5140, 5911, 7660, 8809, 10280, 11822, 15320, 17618, 23644, 29555, 35236, 44045, 47288, 59110, 70472, 88090, 98431, 118220, 176180, 196862, 236440, 352360, 393724, 492155, 787448, 984310, 1968620, 2263913, 3937240, 4527826, 9055652, 11319565, 18111304, 22639130, 45278260, 90556520]

約数ペア:

[(1, 90556520), (2, 45278260), (4, 22639130), (5, 18111304), (8, 11319565), (10, 9055652), (20, 4527826), (23, 3937240), (40, 2263913), (46, 1968620), (92, 984310), (115, 787448), (184, 492155), (230, 393724), (257, 352360), (383, 236440), (460, 196862), (514, 176180), (766, 118220), (920, 98431), (1028, 88090), (1285, 70472), (1532, 59110), (1915, 47288), (2056, 44045), (2570, 35236), (3064, 29555), (3830, 23644), (5140, 17618), (5911, 15320), (7660, 11822), (8809, 10280)]