65540360

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1559}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 147700800

約数和(自身を除く): 82160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 1559, 2102, 3118, 4204, 5255, 6236, 7795, 8408, 10510, 12472, 15590, 21020, 31180, 42040, 62360, 1638509, 3277018, 6554036, 8192545, 13108072, 16385090, 32770180, 65540360]

約数ペア:

[(1, 65540360), (2, 32770180), (4, 16385090), (5, 13108072), (8, 8192545), (10, 6554036), (20, 3277018), (40, 1638509), (1051, 62360), (1559, 42040), (2102, 31180), (3118, 21020), (4204, 15590), (5255, 12472), (6236, 10510), (7795, 8408)]