16645480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6211}}^1$

素因数の和:6289

約数の個数: 32

約数和(自身を含む): 38017440

約数和(自身を除く): 21371960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6211, 12422, 24844, 31055, 49688, 62110, 124220, 248440, 416137, 832274, 1664548, 2080685, 3329096, 4161370, 8322740, 16645480]

約数ペア:

[(1, 16645480), (2, 8322740), (4, 4161370), (5, 3329096), (8, 2080685), (10, 1664548), (20, 832274), (40, 416137), (67, 248440), (134, 124220), (268, 62110), (335, 49688), (536, 31055), (670, 24844), (1340, 12422), (2680, 6211)]