28250675

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 36158400

約数和(自身を除く): 7907725

約数列:

[1, 5, 25, 59, 107, 179, 295, 535, 895, 1475, 2675, 4475, 6313, 10561, 19153, 31565, 52805, 95765, 157825, 264025, 478825, 1130027, 5650135, 28250675]

約数ペア:

[(1, 28250675), (5, 5650135), (25, 1130027), (59, 478825), (107, 264025), (179, 157825), (295, 95765), (535, 52805), (895, 31565), (1475, 19153), (2675, 10561), (4475, 6313)]