55525900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 126988400

約数和(自身を除く): 71462500

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 100, 148, 172, 185, 215, 349, 370, 430, 698, 740, 860, 925, 1075, 1396, 1591, 1745, 1850, 2150, 3182, 3490, 3700, 4300, 6364, 6980, 7955, 8725, 12913, 15007, 15910, 17450, 25826, 30014, 31820, 34900, 39775, 51652, 60028, 64565, 75035, 79550, 129130, 150070, 159100, 258260, 300140, 322825, 375175, 555259, 645650, 750350, 1110518, 1291300, 1500700, 2221036, 2776295, 5552590, 11105180, 13881475, 27762950, 55525900]

約数ペア:

[(1, 55525900), (2, 27762950), (4, 13881475), (5, 11105180), (10, 5552590), (20, 2776295), (25, 2221036), (37, 1500700), (43, 1291300), (50, 1110518), (74, 750350), (86, 645650), (100, 555259), (148, 375175), (172, 322825), (185, 300140), (215, 258260), (349, 159100), (370, 150070), (430, 129130), (698, 79550), (740, 75035), (860, 64565), (925, 60028), (1075, 51652), (1396, 39775), (1591, 34900), (1745, 31820), (1850, 30014), (2150, 25826), (3182, 17450), (3490, 15910), (3700, 15007), (4300, 12913), (6364, 8725), (6980, 7955)]