25641440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 70053984

約数和(自身を除く): 44412544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 857, 880, 935, 1360, 1496, 1714, 1760, 1870, 2720, 2992, 3428, 3740, 4285, 5984, 6856, 7480, 8570, 9427, 13712, 14569, 14960, 17140, 18854, 27424, 29138, 29920, 34280, 37708, 47135, 58276, 68560, 72845, 75416, 94270, 116552, 137120, 145690, 150832, 160259, 188540, 233104, 291380, 301664, 320518, 377080, 466208, 582760, 641036, 754160, 801295, 1165520, 1282072, 1508320, 1602590, 2331040, 2564144, 3205180, 5128288, 6410360, 12820720, 25641440]

約数ペア:

[(1, 25641440), (2, 12820720), (4, 6410360), (5, 5128288), (8, 3205180), (10, 2564144), (11, 2331040), (16, 1602590), (17, 1508320), (20, 1282072), (22, 1165520), (32, 801295), (34, 754160), (40, 641036), (44, 582760), (55, 466208), (68, 377080), (80, 320518), (85, 301664), (88, 291380), (110, 233104), (136, 188540), (160, 160259), (170, 150832), (176, 145690), (187, 137120), (220, 116552), (272, 94270), (340, 75416), (352, 72845), (374, 68560), (440, 58276), (544, 47135), (680, 37708), (748, 34280), (857, 29920), (880, 29138), (935, 27424), (1360, 18854), (1496, 17140), (1714, 14960), (1760, 14569), (1870, 13712), (2720, 9427), (2992, 8570), (3428, 7480), (3740, 6856), (4285, 5984)]