28785530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40543}}^1$

素因数の和:40621

約数の個数: 16

約数和(自身を含む): 52545024

約数和(自身を除く): 23759494

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40543, 81086, 202715, 405430, 2878553, 5757106, 14392765, 28785530]

約数ペア:

[(1, 28785530), (2, 14392765), (5, 5757106), (10, 2878553), (71, 405430), (142, 202715), (355, 81086), (710, 40543)]