2621493640

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{210731}}^1$

素因数の和:211053

約数の個数: 32

約数和(自身を含む): 5917354560

約数和(自身を除く): 3295860920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 210731, 421462, 842924, 1053655, 1685848, 2107310, 4214620, 8429240, 65537341, 131074682, 262149364, 327686705, 524298728, 655373410, 1310746820, 2621493640]

約数ペア:

[(1, 2621493640), (2, 1310746820), (4, 655373410), (5, 524298728), (8, 327686705), (10, 262149364), (20, 131074682), (40, 65537341), (311, 8429240), (622, 4214620), (1244, 2107310), (1555, 1685848), (2488, 1053655), (3110, 842924), (6220, 421462), (12440, 210731)]