74813840

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2111}}^1$

素因数の和:2567

約数の個数: 40

約数和(自身を含む): 174417408

約数和(自身を除く): 99603568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2111, 2215, 3544, 4222, 4430, 7088, 8444, 8860, 10555, 16888, 17720, 21110, 33776, 35440, 42220, 84440, 168880, 935173, 1870346, 3740692, 4675865, 7481384, 9351730, 14962768, 18703460, 37406920, 74813840]

約数ペア:

[(1, 74813840), (2, 37406920), (4, 18703460), (5, 14962768), (8, 9351730), (10, 7481384), (16, 4675865), (20, 3740692), (40, 1870346), (80, 935173), (443, 168880), (886, 84440), (1772, 42220), (2111, 35440), (2215, 33776), (3544, 21110), (4222, 17720), (4430, 16888), (7088, 10555), (8444, 8860)]