820121710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1155101}}^1$

素因数の和:1155179

約数の個数: 16

約数和(自身を含む): 1497012192

約数和(自身を除く): 676890482

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1155101, 2310202, 5775505, 11551010, 82012171, 164024342, 410060855, 820121710]

約数ペア:

[(1, 820121710), (2, 410060855), (5, 164024342), (10, 82012171), (71, 11551010), (142, 5775505), (355, 2310202), (710, 1155101)]