9447920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6947}}^1$

素因数の和:6977

約数の個数: 40

約数和(自身を含む): 23261904

約数和(自身を除く): 13813984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6947, 13894, 27788, 34735, 55576, 69470, 111152, 118099, 138940, 236198, 277880, 472396, 555760, 590495, 944792, 1180990, 1889584, 2361980, 4723960, 9447920]

約数ペア:

[(1, 9447920), (2, 4723960), (4, 2361980), (5, 1889584), (8, 1180990), (10, 944792), (16, 590495), (17, 555760), (20, 472396), (34, 277880), (40, 236198), (68, 138940), (80, 118099), (85, 111152), (136, 69470), (170, 55576), (272, 34735), (340, 27788), (680, 13894), (1360, 6947)]