20402600

素因数分解:

$2^3\times 5^2\times {\mathrm{102013}}^1$

素因数の和:102029

約数の個数: 24

約数和(自身を含む): 47436510

約数和(自身を除く): 27033910

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102013, 204026, 408052, 510065, 816104, 1020130, 2040260, 2550325, 4080520, 5100650, 10201300, 20402600]

約数ペア:

[(1, 20402600), (2, 10201300), (4, 5100650), (5, 4080520), (8, 2550325), (10, 2040260), (20, 1020130), (25, 816104), (40, 510065), (50, 408052), (100, 204026), (200, 102013)]