16515760

素因数分解:

$2^4\times 5^1\times {\mathrm{206447}}^1$

素因数の和:206460

約数の個数: 20

約数和(自身を含む): 38399328

約数和(自身を除く): 21883568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206447, 412894, 825788, 1032235, 1651576, 2064470, 3303152, 4128940, 8257880, 16515760]

約数ペア:

[(1, 16515760), (2, 8257880), (4, 4128940), (5, 3303152), (8, 2064470), (10, 1651576), (16, 1032235), (20, 825788), (40, 412894), (80, 206447)]