2080321720

素因数分解:

$2^3\times 5^1\times {\mathrm{52008043}}^1$

素因数の和:52008054

約数の個数: 16

約数和(自身を含む): 4680723960

約数和(自身を除く): 2600402240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52008043, 104016086, 208032172, 260040215, 416064344, 520080430, 1040160860, 2080321720]

約数ペア:

[(1, 2080321720), (2, 1040160860), (4, 520080430), (5, 416064344), (8, 260040215), (10, 208032172), (20, 104016086), (40, 52008043)]