45128500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 100900800

約数和(自身を除く): 55772300

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2099, 2150, 4198, 4300, 5375, 8396, 10495, 10750, 20990, 21500, 41980, 52475, 90257, 104950, 180514, 209900, 262375, 361028, 451285, 524750, 902570, 1049500, 1805140, 2256425, 4512850, 9025700, 11282125, 22564250, 45128500]

約数ペア:

[(1, 45128500), (2, 22564250), (4, 11282125), (5, 9025700), (10, 4512850), (20, 2256425), (25, 1805140), (43, 1049500), (50, 902570), (86, 524750), (100, 451285), (125, 361028), (172, 262375), (215, 209900), (250, 180514), (430, 104950), (500, 90257), (860, 52475), (1075, 41980), (2099, 21500), (2150, 20990), (4198, 10750), (4300, 10495), (5375, 8396)]