200112980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76379}}^1$

素因数の和:76519

約数の個数: 24

約数和(自身を含む): 423450720

約数和(自身を除く): 223337740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76379, 152758, 305516, 381895, 763790, 1527580, 10005649, 20011298, 40022596, 50028245, 100056490, 200112980]

約数ペア:

[(1, 200112980), (2, 100056490), (4, 50028245), (5, 40022596), (10, 20011298), (20, 10005649), (131, 1527580), (262, 763790), (524, 381895), (655, 305516), (1310, 152758), (2620, 76379)]