1021540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3929}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 2310840

約数和(自身を除く): 1289300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3929, 7858, 15716, 19645, 39290, 51077, 78580, 102154, 204308, 255385, 510770, 1021540]

約数ペア:

[(1, 1021540), (2, 510770), (4, 255385), (5, 204308), (10, 102154), (13, 78580), (20, 51077), (26, 39290), (52, 19645), (65, 15716), (130, 7858), (260, 3929)]