82154960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 199368192

約数和(自身を除く): 117213232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 211, 248, 310, 314, 422, 496, 620, 628, 785, 844, 1055, 1240, 1256, 1570, 1688, 2110, 2480, 2512, 3140, 3376, 4220, 4867, 6280, 6541, 8440, 9734, 12560, 13082, 16880, 19468, 24335, 26164, 32705, 33127, 38936, 48670, 52328, 65410, 66254, 77872, 97340, 104656, 130820, 132508, 165635, 194680, 261640, 265016, 331270, 389360, 523280, 530032, 662540, 1026937, 1325080, 2053874, 2650160, 4107748, 5134685, 8215496, 10269370, 16430992, 20538740, 41077480, 82154960]

約数ペア:

[(1, 82154960), (2, 41077480), (4, 20538740), (5, 16430992), (8, 10269370), (10, 8215496), (16, 5134685), (20, 4107748), (31, 2650160), (40, 2053874), (62, 1325080), (80, 1026937), (124, 662540), (155, 530032), (157, 523280), (211, 389360), (248, 331270), (310, 265016), (314, 261640), (422, 194680), (496, 165635), (620, 132508), (628, 130820), (785, 104656), (844, 97340), (1055, 77872), (1240, 66254), (1256, 65410), (1570, 52328), (1688, 48670), (2110, 38936), (2480, 33127), (2512, 32705), (3140, 26164), (3376, 24335), (4220, 19468), (4867, 16880), (6280, 13082), (6541, 12560), (8440, 9734)]