39115760

素因数分解:

$2^4\times 5^1\times {\mathrm{488947}}^1$

素因数の和:488960

約数の個数: 20

約数和(自身を含む): 90944328

約数和(自身を除く): 51828568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 488947, 977894, 1955788, 2444735, 3911576, 4889470, 7823152, 9778940, 19557880, 39115760]

約数ペア:

[(1, 39115760), (2, 19557880), (4, 9778940), (5, 7823152), (8, 4889470), (10, 3911576), (16, 2444735), (20, 1955788), (40, 977894), (80, 488947)]