8041520

素因数分解:

$2^4\times 5^1\times {\mathrm{100519}}^1$

素因数の和:100532

約数の個数: 20

約数和(自身を含む): 18696720

約数和(自身を除く): 10655200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 100519, 201038, 402076, 502595, 804152, 1005190, 1608304, 2010380, 4020760, 8041520]

約数ペア:

[(1, 8041520), (2, 4020760), (4, 2010380), (5, 1608304), (8, 1005190), (10, 804152), (16, 502595), (20, 402076), (40, 201038), (80, 100519)]