42620785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1289}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 54334800

約数和(自身を除く): 11714015

約数列:

[1, 5, 17, 85, 389, 1289, 1945, 6445, 6613, 21913, 33065, 109565, 501421, 2507105, 8524157, 42620785]

約数ペア:

[(1, 42620785), (5, 8524157), (17, 2507105), (85, 501421), (389, 109565), (1289, 33065), (1945, 21913), (6445, 6613)]