2013222160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1\times {\mathrm{997}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 4802567616

約数和(自身を除く): 2789345456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 587, 688, 860, 997, 1174, 1720, 1994, 2348, 2935, 3440, 3988, 4696, 4985, 5870, 7976, 9392, 9970, 11740, 15952, 19940, 23480, 25241, 39880, 42871, 46960, 50482, 79760, 85742, 100964, 126205, 171484, 201928, 214355, 252410, 342968, 403856, 428710, 504820, 585239, 685936, 857420, 1009640, 1170478, 1714840, 2019280, 2340956, 2926195, 3429680, 4681912, 5852390, 9363824, 11704780, 23409560, 25165277, 46819120, 50330554, 100661108, 125826385, 201322216, 251652770, 402644432, 503305540, 1006611080, 2013222160]

約数ペア:

[(1, 2013222160), (2, 1006611080), (4, 503305540), (5, 402644432), (8, 251652770), (10, 201322216), (16, 125826385), (20, 100661108), (40, 50330554), (43, 46819120), (80, 25165277), (86, 23409560), (172, 11704780), (215, 9363824), (344, 5852390), (430, 4681912), (587, 3429680), (688, 2926195), (860, 2340956), (997, 2019280), (1174, 1714840), (1720, 1170478), (1994, 1009640), (2348, 857420), (2935, 685936), (3440, 585239), (3988, 504820), (4696, 428710), (4985, 403856), (5870, 342968), (7976, 252410), (9392, 214355), (9970, 201928), (11740, 171484), (15952, 126205), (19940, 100964), (23480, 85742), (25241, 79760), (39880, 50482), (42871, 46960)]