22678640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1439}}^1$

素因数の和:1649

約数の個数: 40

約数和(自身を含む): 53032320

約数和(自身を除く): 30353680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1439, 1576, 1970, 2878, 3152, 3940, 5756, 7195, 7880, 11512, 14390, 15760, 23024, 28780, 57560, 115120, 283483, 566966, 1133932, 1417415, 2267864, 2834830, 4535728, 5669660, 11339320, 22678640]

約数ペア:

[(1, 22678640), (2, 11339320), (4, 5669660), (5, 4535728), (8, 2834830), (10, 2267864), (16, 1417415), (20, 1133932), (40, 566966), (80, 283483), (197, 115120), (394, 57560), (788, 28780), (985, 23024), (1439, 15760), (1576, 14390), (1970, 11512), (2878, 7880), (3152, 7195), (3940, 5756)]