79693240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2644

約数の個数: 64

約数和(自身を含む): 198443520

約数和(自身を除く): 118750280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2551, 2840, 3124, 3905, 5102, 6248, 7810, 10204, 12755, 15620, 20408, 25510, 28061, 31240, 51020, 56122, 102040, 112244, 140305, 181121, 224488, 280610, 362242, 561220, 724484, 905605, 1122440, 1448968, 1811210, 1992331, 3622420, 3984662, 7244840, 7969324, 9961655, 15938648, 19923310, 39846620, 79693240]

約数ペア:

[(1, 79693240), (2, 39846620), (4, 19923310), (5, 15938648), (8, 9961655), (10, 7969324), (11, 7244840), (20, 3984662), (22, 3622420), (40, 1992331), (44, 1811210), (55, 1448968), (71, 1122440), (88, 905605), (110, 724484), (142, 561220), (220, 362242), (284, 280610), (355, 224488), (440, 181121), (568, 140305), (710, 112244), (781, 102040), (1420, 56122), (1562, 51020), (2551, 31240), (2840, 28061), (3124, 25510), (3905, 20408), (5102, 15620), (6248, 12755), (7810, 10204)]