201628001980

素因数分解:

$2^2\times 5^1\times {\mathrm{10081400099}}^1$

素因数の和:10081400108

約数の個数: 12

約数和(自身を含む): 423418804200

約数和(自身を除く): 221790802220

約数列:

[1, 2, 4, 5, 10, 20, 10081400099, 20162800198, 40325600396, 50407000495, 100814000990, 201628001980]

約数ペア:

[(1, 201628001980), (2, 100814000990), (4, 50407000495), (5, 40325600396), (10, 20162800198), (20, 10081400099)]