25564005

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 50181120

約数和(自身を除く): 24617115

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 79, 81, 85, 135, 141, 153, 235, 237, 255, 395, 405, 423, 459, 705, 711, 765, 799, 1185, 1269, 1343, 1377, 2115, 2133, 2295, 2397, 3555, 3713, 3807, 3995, 4029, 6345, 6399, 6715, 6885, 7191, 10665, 11139, 11985, 12087, 18565, 19035, 20145, 21573, 31995, 33417, 35955, 36261, 55695, 60435, 63121, 64719, 100251, 107865, 108783, 167085, 181305, 189363, 300753, 315605, 323595, 501255, 543915, 568089, 946815, 1503765, 1704267, 2840445, 5112801, 8521335, 25564005]

約数ペア:

[(1, 25564005), (3, 8521335), (5, 5112801), (9, 2840445), (15, 1704267), (17, 1503765), (27, 946815), (45, 568089), (47, 543915), (51, 501255), (79, 323595), (81, 315605), (85, 300753), (135, 189363), (141, 181305), (153, 167085), (235, 108783), (237, 107865), (255, 100251), (395, 64719), (405, 63121), (423, 60435), (459, 55695), (705, 36261), (711, 35955), (765, 33417), (799, 31995), (1185, 21573), (1269, 20145), (1343, 19035), (1377, 18565), (2115, 12087), (2133, 11985), (2295, 11139), (2397, 10665), (3555, 7191), (3713, 6885), (3807, 6715), (3995, 6399), (4029, 6345)]