28059040

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 66771432

約数和(自身を除く): 38712392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1117, 1256, 1570, 2234, 2512, 3140, 4468, 5024, 5585, 6280, 8936, 11170, 12560, 17872, 22340, 25120, 35744, 44680, 89360, 175369, 178720, 350738, 701476, 876845, 1402952, 1753690, 2805904, 3507380, 5611808, 7014760, 14029520, 28059040]

約数ペア:

[(1, 28059040), (2, 14029520), (4, 7014760), (5, 5611808), (8, 3507380), (10, 2805904), (16, 1753690), (20, 1402952), (32, 876845), (40, 701476), (80, 350738), (157, 178720), (160, 175369), (314, 89360), (628, 44680), (785, 35744), (1117, 25120), (1256, 22340), (1570, 17872), (2234, 12560), (2512, 11170), (3140, 8936), (4468, 6280), (5024, 5585)]