85176680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 198132480

約数和(自身を除く): 112955800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 167, 205, 311, 328, 334, 410, 622, 668, 820, 835, 1244, 1336, 1555, 1640, 1670, 2488, 3110, 3340, 6220, 6680, 6847, 12440, 12751, 13694, 25502, 27388, 34235, 51004, 51937, 54776, 63755, 68470, 102008, 103874, 127510, 136940, 207748, 255020, 259685, 273880, 415496, 510040, 519370, 1038740, 2077480, 2129417, 4258834, 8517668, 10647085, 17035336, 21294170, 42588340, 85176680]

約数ペア:

[(1, 85176680), (2, 42588340), (4, 21294170), (5, 17035336), (8, 10647085), (10, 8517668), (20, 4258834), (40, 2129417), (41, 2077480), (82, 1038740), (164, 519370), (167, 510040), (205, 415496), (311, 273880), (328, 259685), (334, 255020), (410, 207748), (622, 136940), (668, 127510), (820, 103874), (835, 102008), (1244, 68470), (1336, 63755), (1555, 54776), (1640, 51937), (1670, 51004), (2488, 34235), (3110, 27388), (3340, 25502), (6220, 13694), (6680, 12751), (6847, 12440)]