56513540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 120297828

約数和(自身を除く): 63784288

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 277, 404, 505, 554, 1010, 1108, 1385, 2020, 2770, 5540, 10201, 20402, 27977, 40804, 51005, 55954, 102010, 111908, 139885, 204020, 279770, 559540, 2825677, 5651354, 11302708, 14128385, 28256770, 56513540]

約数ペア:

[(1, 56513540), (2, 28256770), (4, 14128385), (5, 11302708), (10, 5651354), (20, 2825677), (101, 559540), (202, 279770), (277, 204020), (404, 139885), (505, 111908), (554, 102010), (1010, 55954), (1108, 51005), (1385, 40804), (2020, 27977), (2770, 20402), (5540, 10201)]