164392160

素因数分解:

$2^5\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1429}}^1$

素因数の和:2163

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 224796640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 719, 1429, 1438, 2858, 2876, 3595, 5716, 5752, 7145, 7190, 11432, 11504, 14290, 14380, 22864, 23008, 28580, 28760, 45728, 57160, 57520, 114320, 115040, 228640, 1027451, 2054902, 4109804, 5137255, 8219608, 10274510, 16439216, 20549020, 32878432, 41098040, 82196080, 164392160]

約数ペア:

[(1, 164392160), (2, 82196080), (4, 41098040), (5, 32878432), (8, 20549020), (10, 16439216), (16, 10274510), (20, 8219608), (32, 5137255), (40, 4109804), (80, 2054902), (160, 1027451), (719, 228640), (1429, 115040), (1438, 114320), (2858, 57520), (2876, 57160), (3595, 45728), (5716, 28760), (5752, 28580), (7145, 23008), (7190, 22864), (11432, 14380), (11504, 14290)]