90903560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5039}}^1$

素因数の和:5102

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 137710840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 5039, 9020, 10078, 18040, 20156, 25195, 40312, 50390, 55429, 100780, 110858, 201560, 206599, 221716, 277145, 413198, 443432, 554290, 826396, 1032995, 1108580, 1652792, 2065990, 2217160, 2272589, 4131980, 4545178, 8263960, 9090356, 11362945, 18180712, 22725890, 45451780, 90903560]

約数ペア:

[(1, 90903560), (2, 45451780), (4, 22725890), (5, 18180712), (8, 11362945), (10, 9090356), (11, 8263960), (20, 4545178), (22, 4131980), (40, 2272589), (41, 2217160), (44, 2065990), (55, 1652792), (82, 1108580), (88, 1032995), (110, 826396), (164, 554290), (205, 443432), (220, 413198), (328, 277145), (410, 221716), (440, 206599), (451, 201560), (820, 110858), (902, 100780), (1640, 55429), (1804, 50390), (2255, 40312), (3608, 25195), (4510, 20156), (5039, 18040), (9020, 10078)]