65897120

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2963}}^1$

素因数の和:3117

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 90957760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 2963, 4448, 5560, 5926, 11120, 11852, 14815, 22240, 23704, 29630, 47408, 59260, 94816, 118520, 237040, 411857, 474080, 823714, 1647428, 2059285, 3294856, 4118570, 6589712, 8237140, 13179424, 16474280, 32948560, 65897120]

約数ペア:

[(1, 65897120), (2, 32948560), (4, 16474280), (5, 13179424), (8, 8237140), (10, 6589712), (16, 4118570), (20, 3294856), (32, 2059285), (40, 1647428), (80, 823714), (139, 474080), (160, 411857), (278, 237040), (556, 118520), (695, 94816), (1112, 59260), (1390, 47408), (2224, 29630), (2780, 23704), (2963, 22240), (4448, 14815), (5560, 11852), (5926, 11120)]