9965840

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 23302080

約数和(自身を除く): 13336240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 359, 694, 718, 1388, 1436, 1735, 1795, 2776, 2872, 3470, 3590, 5552, 5744, 6940, 7180, 13880, 14360, 27760, 28720, 124573, 249146, 498292, 622865, 996584, 1245730, 1993168, 2491460, 4982920, 9965840]

約数ペア:

[(1, 9965840), (2, 4982920), (4, 2491460), (5, 1993168), (8, 1245730), (10, 996584), (16, 622865), (20, 498292), (40, 249146), (80, 124573), (347, 28720), (359, 27760), (694, 14360), (718, 13880), (1388, 7180), (1436, 6940), (1735, 5744), (1795, 5552), (2776, 3590), (2872, 3470)]