4451980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17123}}^1$

素因数の和:17145

約数の個数: 24

約数和(自身を含む): 10068912

約数和(自身を除く): 5616932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 17123, 34246, 68492, 85615, 171230, 222599, 342460, 445198, 890396, 1112995, 2225990, 4451980]

約数ペア:

[(1, 4451980), (2, 2225990), (4, 1112995), (5, 890396), (10, 445198), (13, 342460), (20, 222599), (26, 171230), (52, 85615), (65, 68492), (130, 34246), (260, 17123)]