890580.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327433}}^1$

素因数の和:327455

約数の個数: 24

約数和(自身を含む): 192531192

約数和(自身を除く): 107398612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327433, 654866, 1309732, 1637165, 3274330, 4256629, 6548660, 8513258, 17026516, 21283145, 42566290, 85132580]

約数ペア:

[(1, 85132580), (2, 42566290), (4, 21283145), (5, 17026516), (10, 8513258), (13, 6548660), (20, 4256629), (26, 3274330), (52, 1637165), (65, 1309732), (130, 654866), (260, 327433)]