3965960

素因数分解:

$2^3\times 5^1\times {\mathrm{99149}}^1$

素因数の和:99160

約数の個数: 16

約数和(自身を含む): 8923500

約数和(自身を除く): 4957540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99149, 198298, 396596, 495745, 793192, 991490, 1982980, 3965960]

約数ペア:

[(1, 3965960), (2, 1982980), (4, 991490), (5, 793192), (8, 495745), (10, 396596), (20, 198298), (40, 99149)]