79978720

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1193}}^1$

素因数の和:1627

約数の個数: 48

約数和(自身を含む): 189559440

約数和(自身を除く): 109580720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1193, 1676, 2095, 2386, 3352, 4190, 4772, 5965, 6704, 8380, 9544, 11930, 13408, 16760, 19088, 23860, 33520, 38176, 47720, 67040, 95440, 190880, 499867, 999734, 1999468, 2499335, 3998936, 4998670, 7997872, 9997340, 15995744, 19994680, 39989360, 79978720]

約数ペア:

[(1, 79978720), (2, 39989360), (4, 19994680), (5, 15995744), (8, 9997340), (10, 7997872), (16, 4998670), (20, 3998936), (32, 2499335), (40, 1999468), (80, 999734), (160, 499867), (419, 190880), (838, 95440), (1193, 67040), (1676, 47720), (2095, 38176), (2386, 33520), (3352, 23860), (4190, 19088), (4772, 16760), (5965, 13408), (6704, 11930), (8380, 9544)]