84666640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 204736896

約数和(自身を除く): 120070256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 205, 311, 328, 332, 410, 415, 622, 656, 664, 820, 830, 1244, 1328, 1555, 1640, 1660, 2488, 3110, 3280, 3320, 3403, 4976, 6220, 6640, 6806, 12440, 12751, 13612, 17015, 24880, 25502, 25813, 27224, 34030, 51004, 51626, 54448, 63755, 68060, 102008, 103252, 127510, 129065, 136120, 204016, 206504, 255020, 258130, 272240, 413008, 510040, 516260, 1020080, 1032520, 1058333, 2065040, 2116666, 4233332, 5291665, 8466664, 10583330, 16933328, 21166660, 42333320, 84666640]

約数ペア:

[(1, 84666640), (2, 42333320), (4, 21166660), (5, 16933328), (8, 10583330), (10, 8466664), (16, 5291665), (20, 4233332), (40, 2116666), (41, 2065040), (80, 1058333), (82, 1032520), (83, 1020080), (164, 516260), (166, 510040), (205, 413008), (311, 272240), (328, 258130), (332, 255020), (410, 206504), (415, 204016), (622, 136120), (656, 129065), (664, 127510), (820, 103252), (830, 102008), (1244, 68060), (1328, 63755), (1555, 54448), (1640, 51626), (1660, 51004), (2488, 34030), (3110, 27224), (3280, 25813), (3320, 25502), (3403, 24880), (4976, 17015), (6220, 13612), (6640, 12751), (6806, 12440)]