1024400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 2663892

約数和(自身を除く): 1639492

約数列:

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

約数ペア:

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