3221780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3929}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 6932520

約数和(自身を除く): 3710740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3929, 7858, 15716, 19645, 39290, 78580, 161089, 322178, 644356, 805445, 1610890, 3221780]

約数ペア:

[(1, 3221780), (2, 1610890), (4, 805445), (5, 644356), (10, 322178), (20, 161089), (41, 78580), (82, 39290), (164, 19645), (205, 15716), (410, 7858), (820, 3929)]