20140340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 47234880

約数和(自身を除く): 27094540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2129, 2365, 4258, 4730, 8516, 9460, 10645, 21290, 23419, 42580, 46838, 91547, 93676, 117095, 183094, 234190, 366188, 457735, 468380, 915470, 1007017, 1830940, 2014034, 4028068, 5035085, 10070170, 20140340]

約数ペア:

[(1, 20140340), (2, 10070170), (4, 5035085), (5, 4028068), (10, 2014034), (11, 1830940), (20, 1007017), (22, 915470), (43, 468380), (44, 457735), (55, 366188), (86, 234190), (110, 183094), (172, 117095), (215, 93676), (220, 91547), (430, 46838), (473, 42580), (860, 23419), (946, 21290), (1892, 10645), (2129, 9460), (2365, 8516), (4258, 4730)]