9998360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5813}}^1$

素因数の和:5867

約数の個数: 32

約数和(自身を含む): 23023440

約数和(自身を除く): 13025080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5813, 11626, 23252, 29065, 46504, 58130, 116260, 232520, 249959, 499918, 999836, 1249795, 1999672, 2499590, 4999180, 9998360]

約数ペア:

[(1, 9998360), (2, 4999180), (4, 2499590), (5, 1999672), (8, 1249795), (10, 999836), (20, 499918), (40, 249959), (43, 232520), (86, 116260), (172, 58130), (215, 46504), (344, 29065), (430, 23252), (860, 11626), (1720, 5813)]