1330686520

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{35129}}^1$

素因数の和:36087

約数の個数: 32

約数和(自身を含む): 2997291600

約数和(自身を除く): 1666605080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3788, 4735, 7576, 9470, 18940, 35129, 37880, 70258, 140516, 175645, 281032, 351290, 702580, 1405160, 33267163, 66534326, 133068652, 166335815, 266137304, 332671630, 665343260, 1330686520]

約数ペア:

[(1, 1330686520), (2, 665343260), (4, 332671630), (5, 266137304), (8, 166335815), (10, 133068652), (20, 66534326), (40, 33267163), (947, 1405160), (1894, 702580), (3788, 351290), (4735, 281032), (7576, 175645), (9470, 140516), (18940, 70258), (35129, 37880)]