208575580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{79609}}^1$

素因数の和:79749

約数の個数: 24

約数和(自身を含む): 441357840

約数和(自身を除く): 232782260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 79609, 159218, 318436, 398045, 796090, 1592180, 10428779, 20857558, 41715116, 52143895, 104287790, 208575580]

約数ペア:

[(1, 208575580), (2, 104287790), (4, 52143895), (5, 41715116), (10, 20857558), (20, 10428779), (131, 1592180), (262, 796090), (524, 398045), (655, 318436), (1310, 159218), (2620, 79609)]