3880220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1481}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 8216208

約数和(自身を除く): 4335988

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1481, 2620, 2962, 5924, 7405, 14810, 29620, 194011, 388022, 776044, 970055, 1940110, 3880220]

約数ペア:

[(1, 3880220), (2, 1940110), (4, 970055), (5, 776044), (10, 388022), (20, 194011), (131, 29620), (262, 14810), (524, 7405), (655, 5924), (1310, 2962), (1481, 2620)]