2048800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 5413716

約数和(自身を除く): 3364916

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 197, 200, 208, 260, 325, 394, 400, 416, 520, 650, 788, 800, 985, 1040, 1300, 1576, 1970, 2080, 2561, 2600, 3152, 3940, 4925, 5122, 5200, 6304, 7880, 9850, 10244, 10400, 12805, 15760, 19700, 20488, 25610, 31520, 39400, 40976, 51220, 64025, 78800, 81952, 102440, 128050, 157600, 204880, 256100, 409760, 512200, 1024400, 2048800]

約数ペア:

[(1, 2048800), (2, 1024400), (4, 512200), (5, 409760), (8, 256100), (10, 204880), (13, 157600), (16, 128050), (20, 102440), (25, 81952), (26, 78800), (32, 64025), (40, 51220), (50, 40976), (52, 39400), (65, 31520), (80, 25610), (100, 20488), (104, 19700), (130, 15760), (160, 12805), (197, 10400), (200, 10244), (208, 9850), (260, 7880), (325, 6304), (394, 5200), (400, 5122), (416, 4925), (520, 3940), (650, 3152), (788, 2600), (800, 2561), (985, 2080), (1040, 1970), (1300, 1576)]