85452080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21799}}^1$

素因数の和:21826

約数の個数: 60

約数和(自身を含む): 231123600

約数和(自身を除く): 145671520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21799, 43598, 87196, 108995, 152593, 174392, 217990, 305186, 348784, 435980, 610372, 762965, 871960, 1068151, 1220744, 1525930, 1743920, 2136302, 2441488, 3051860, 4272604, 5340755, 6103720, 8545208, 10681510, 12207440, 17090416, 21363020, 42726040, 85452080]

約数ペア:

[(1, 85452080), (2, 42726040), (4, 21363020), (5, 17090416), (7, 12207440), (8, 10681510), (10, 8545208), (14, 6103720), (16, 5340755), (20, 4272604), (28, 3051860), (35, 2441488), (40, 2136302), (49, 1743920), (56, 1525930), (70, 1220744), (80, 1068151), (98, 871960), (112, 762965), (140, 610372), (196, 435980), (245, 348784), (280, 305186), (392, 217990), (490, 174392), (560, 152593), (784, 108995), (980, 87196), (1960, 43598), (3920, 21799)]