2579540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 5474952

約数和(自身を除く): 2895412

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1277, 2020, 2554, 5108, 6385, 12770, 25540, 128977, 257954, 515908, 644885, 1289770, 2579540]

約数ペア:

[(1, 2579540), (2, 1289770), (4, 644885), (5, 515908), (10, 257954), (20, 128977), (101, 25540), (202, 12770), (404, 6385), (505, 5108), (1010, 2554), (1277, 2020)]