28527903860

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1997}}^1\times {\mathrm{3203}}^1$

素因数の和:5432

約数の個数: 48

約数和(自身を含む): 60226177536

約数和(自身を除く): 31698273676

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1997, 2230, 3203, 3994, 4460, 6406, 7988, 9985, 12812, 16015, 19970, 32030, 39940, 64060, 445331, 714269, 890662, 1428538, 1781324, 2226655, 2857076, 3571345, 4453310, 6396391, 7142690, 8906620, 12792782, 14285380, 25585564, 31981955, 63963910, 127927820, 1426395193, 2852790386, 5705580772, 7131975965, 14263951930, 28527903860]

約数ペア:

[(1, 28527903860), (2, 14263951930), (4, 7131975965), (5, 5705580772), (10, 2852790386), (20, 1426395193), (223, 127927820), (446, 63963910), (892, 31981955), (1115, 25585564), (1997, 14285380), (2230, 12792782), (3203, 8906620), (3994, 7142690), (4460, 6396391), (6406, 4453310), (7988, 3571345), (9985, 2857076), (12812, 2226655), (16015, 1781324), (19970, 1428538), (32030, 890662), (39940, 714269), (64060, 445331)]