2080800215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{681113}}^1$

素因数の和:681178

約数の個数: 16

約数和(自身を含む): 2746251648

約数和(自身を除く): 665451433

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 681113, 3405565, 8854469, 32012311, 44272345, 160061555, 416160043, 2080800215]

約数ペア:

[(1, 2080800215), (5, 416160043), (13, 160061555), (47, 44272345), (65, 32012311), (235, 8854469), (611, 3405565), (3055, 681113)]