11938520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 30032640

約数和(自身を除く): 18094120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 631, 860, 946, 1262, 1720, 1892, 2365, 2524, 3155, 3784, 4730, 5048, 6310, 6941, 9460, 12620, 13882, 18920, 25240, 27133, 27764, 34705, 54266, 55528, 69410, 108532, 135665, 138820, 217064, 271330, 277640, 298463, 542660, 596926, 1085320, 1193852, 1492315, 2387704, 2984630, 5969260, 11938520]

約数ペア:

[(1, 11938520), (2, 5969260), (4, 2984630), (5, 2387704), (8, 1492315), (10, 1193852), (11, 1085320), (20, 596926), (22, 542660), (40, 298463), (43, 277640), (44, 271330), (55, 217064), (86, 138820), (88, 135665), (110, 108532), (172, 69410), (215, 55528), (220, 54266), (344, 34705), (430, 27764), (440, 27133), (473, 25240), (631, 18920), (860, 13882), (946, 12620), (1262, 9460), (1720, 6941), (1892, 6310), (2365, 5048), (2524, 4730), (3155, 3784)]