78605920

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1109}}^1$

素因数の和:1567

約数の個数: 48

約数和(自身を含む): 186293520

約数和(自身を除く): 107687600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1109, 1772, 2215, 2218, 3544, 4430, 4436, 5545, 7088, 8860, 8872, 11090, 14176, 17720, 17744, 22180, 35440, 35488, 44360, 70880, 88720, 177440, 491287, 982574, 1965148, 2456435, 3930296, 4912870, 7860592, 9825740, 15721184, 19651480, 39302960, 78605920]

約数ペア:

[(1, 78605920), (2, 39302960), (4, 19651480), (5, 15721184), (8, 9825740), (10, 7860592), (16, 4912870), (20, 3930296), (32, 2456435), (40, 1965148), (80, 982574), (160, 491287), (443, 177440), (886, 88720), (1109, 70880), (1772, 44360), (2215, 35488), (2218, 35440), (3544, 22180), (4430, 17744), (4436, 17720), (5545, 14176), (7088, 11090), (8860, 8872)]