2081720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 4756320

約数和(自身を除く): 2674600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 733, 1420, 1466, 2840, 2932, 3665, 5864, 7330, 14660, 29320, 52043, 104086, 208172, 260215, 416344, 520430, 1040860, 2081720]

約数ペア:

[(1, 2081720), (2, 1040860), (4, 520430), (5, 416344), (8, 260215), (10, 208172), (20, 104086), (40, 52043), (71, 29320), (142, 14660), (284, 7330), (355, 5864), (568, 3665), (710, 2932), (733, 2840), (1420, 1466)]