21827600

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 60

約数和(自身を含む): 52897284

約数和(自身を除く): 31069684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 277, 394, 400, 554, 788, 985, 1108, 1385, 1576, 1970, 2216, 2770, 3152, 3940, 4432, 4925, 5540, 6925, 7880, 9850, 11080, 13850, 15760, 19700, 22160, 27700, 39400, 54569, 55400, 78800, 109138, 110800, 218276, 272845, 436552, 545690, 873104, 1091380, 1364225, 2182760, 2728450, 4365520, 5456900, 10913800, 21827600]

約数ペア:

[(1, 21827600), (2, 10913800), (4, 5456900), (5, 4365520), (8, 2728450), (10, 2182760), (16, 1364225), (20, 1091380), (25, 873104), (40, 545690), (50, 436552), (80, 272845), (100, 218276), (197, 110800), (200, 109138), (277, 78800), (394, 55400), (400, 54569), (554, 39400), (788, 27700), (985, 22160), (1108, 19700), (1385, 15760), (1576, 13850), (1970, 11080), (2216, 9850), (2770, 7880), (3152, 6925), (3940, 5540), (4432, 4925)]