25161080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3948

約数の個数: 64

約数和(自身を含む): 67530240

約数和(自身を除く): 42369160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 3907, 6440, 7814, 15628, 19535, 27349, 31256, 39070, 54698, 78140, 89861, 109396, 136745, 156280, 179722, 218792, 273490, 359444, 449305, 546980, 629027, 718888, 898610, 1093960, 1258054, 1797220, 2516108, 3145135, 3594440, 5032216, 6290270, 12580540, 25161080]

約数ペア:

[(1, 25161080), (2, 12580540), (4, 6290270), (5, 5032216), (7, 3594440), (8, 3145135), (10, 2516108), (14, 1797220), (20, 1258054), (23, 1093960), (28, 898610), (35, 718888), (40, 629027), (46, 546980), (56, 449305), (70, 359444), (92, 273490), (115, 218792), (140, 179722), (161, 156280), (184, 136745), (230, 109396), (280, 89861), (322, 78140), (460, 54698), (644, 39070), (805, 31256), (920, 27349), (1288, 19535), (1610, 15628), (3220, 7814), (3907, 6440)]