28120160

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 66869712

約数和(自身を除く): 38749552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 971, 1448, 1810, 1942, 2896, 3620, 3884, 4855, 5792, 7240, 7768, 9710, 14480, 15536, 19420, 28960, 31072, 38840, 77680, 155360, 175751, 351502, 703004, 878755, 1406008, 1757510, 2812016, 3515020, 5624032, 7030040, 14060080, 28120160]

約数ペア:

[(1, 28120160), (2, 14060080), (4, 7030040), (5, 5624032), (8, 3515020), (10, 2812016), (16, 1757510), (20, 1406008), (32, 878755), (40, 703004), (80, 351502), (160, 175751), (181, 155360), (362, 77680), (724, 38840), (905, 31072), (971, 28960), (1448, 19420), (1810, 15536), (1942, 14480), (2896, 9710), (3620, 7768), (3884, 7240), (4855, 5792)]