40269520

素因数分解:

$2^4\times 5^1\times {\mathrm{503369}}^1$

素因数の和:503382

約数の個数: 20

約数和(自身を含む): 93626820

約数和(自身を除く): 53357300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503369, 1006738, 2013476, 2516845, 4026952, 5033690, 8053904, 10067380, 20134760, 40269520]

約数ペア:

[(1, 40269520), (2, 20134760), (4, 10067380), (5, 8053904), (8, 5033690), (10, 4026952), (16, 2516845), (20, 2013476), (40, 1006738), (80, 503369)]