78812320

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4877}}^1$

素因数の和:4993

約数の個数: 48

約数和(自身を含む): 188076168

約数和(自身を除く): 109263848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 4877, 8080, 9754, 16160, 19508, 24385, 39016, 48770, 78032, 97540, 156064, 195080, 390160, 492577, 780320, 985154, 1970308, 2462885, 3940616, 4925770, 7881232, 9851540, 15762464, 19703080, 39406160, 78812320]

約数ペア:

[(1, 78812320), (2, 39406160), (4, 19703080), (5, 15762464), (8, 9851540), (10, 7881232), (16, 4925770), (20, 3940616), (32, 2462885), (40, 1970308), (80, 985154), (101, 780320), (160, 492577), (202, 390160), (404, 195080), (505, 156064), (808, 97540), (1010, 78032), (1616, 48770), (2020, 39016), (3232, 24385), (4040, 19508), (4877, 16160), (8080, 9754)]