2000984560

素因数分解:

$2^4\times 5^1\times {\mathrm{25012307}}^1$

素因数の和:25012320

約数の個数: 20

約数和(自身を含む): 4652289288

約数和(自身を除く): 2651304728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25012307, 50024614, 100049228, 125061535, 200098456, 250123070, 400196912, 500246140, 1000492280, 2000984560]

約数ペア:

[(1, 2000984560), (2, 1000492280), (4, 500246140), (5, 400196912), (8, 250123070), (10, 200098456), (16, 125061535), (20, 100049228), (40, 50024614), (80, 25012307)]