25780245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 46271040

約数和(自身を除く): 20490795

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 289, 313, 323, 867, 939, 969, 1445, 1565, 1615, 4335, 4695, 4845, 5321, 5491, 5947, 15963, 16473, 17841, 26605, 27455, 29735, 79815, 82365, 89205, 90457, 101099, 271371, 303297, 452285, 505495, 1356855, 1516485, 1718683, 5156049, 8593415, 25780245]

約数ペア:

[(1, 25780245), (3, 8593415), (5, 5156049), (15, 1718683), (17, 1516485), (19, 1356855), (51, 505495), (57, 452285), (85, 303297), (95, 271371), (255, 101099), (285, 90457), (289, 89205), (313, 82365), (323, 79815), (867, 29735), (939, 27455), (969, 26605), (1445, 17841), (1565, 16473), (1615, 15963), (4335, 5947), (4695, 5491), (4845, 5321)]