84956920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51803}}^1$

素因数の和:51855

約数の個数: 32

約数和(自身を含む): 195819120

約数和(自身を除く): 110862200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 51803, 103606, 207212, 259015, 414424, 518030, 1036060, 2072120, 2123923, 4247846, 8495692, 10619615, 16991384, 21239230, 42478460, 84956920]

約数ペア:

[(1, 84956920), (2, 42478460), (4, 21239230), (5, 16991384), (8, 10619615), (10, 8495692), (20, 4247846), (40, 2123923), (41, 2072120), (82, 1036060), (164, 518030), (205, 414424), (328, 259015), (410, 207212), (820, 103606), (1640, 51803)]