12855640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{937}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 33768000

約数和(自身を除く): 20912360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 937, 980, 1372, 1715, 1874, 1960, 2744, 3430, 3748, 4685, 6559, 6860, 7496, 9370, 13118, 13720, 18740, 26236, 32795, 37480, 45913, 52472, 65590, 91826, 131180, 183652, 229565, 262360, 321391, 367304, 459130, 642782, 918260, 1285564, 1606955, 1836520, 2571128, 3213910, 6427820, 12855640]

約数ペア:

[(1, 12855640), (2, 6427820), (4, 3213910), (5, 2571128), (7, 1836520), (8, 1606955), (10, 1285564), (14, 918260), (20, 642782), (28, 459130), (35, 367304), (40, 321391), (49, 262360), (56, 229565), (70, 183652), (98, 131180), (140, 91826), (196, 65590), (245, 52472), (280, 45913), (343, 37480), (392, 32795), (490, 26236), (686, 18740), (937, 13720), (980, 13118), (1372, 9370), (1715, 7496), (1874, 6860), (1960, 6559), (2744, 4685), (3430, 3748)]