42979540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21277}}^1$

素因数の和:21387

約数の個数: 24

約数和(自身を含む): 91154952

約数和(自身を除く): 48175412

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 21277, 42554, 85108, 106385, 212770, 425540, 2148977, 4297954, 8595908, 10744885, 21489770, 42979540]

約数ペア:

[(1, 42979540), (2, 21489770), (4, 10744885), (5, 8595908), (10, 4297954), (20, 2148977), (101, 425540), (202, 212770), (404, 106385), (505, 85108), (1010, 42554), (2020, 21277)]