25565420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 30983380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 373, 460, 596, 745, 746, 1490, 1492, 1865, 2980, 3427, 3730, 6854, 7460, 8579, 13708, 17135, 17158, 34270, 34316, 42895, 55577, 68540, 85790, 111154, 171580, 222308, 277885, 555770, 1111540, 1278271, 2556542, 5113084, 6391355, 12782710, 25565420]

約数ペア:

[(1, 25565420), (2, 12782710), (4, 6391355), (5, 5113084), (10, 2556542), (20, 1278271), (23, 1111540), (46, 555770), (92, 277885), (115, 222308), (149, 171580), (230, 111154), (298, 85790), (373, 68540), (460, 55577), (596, 42895), (745, 34316), (746, 34270), (1490, 17158), (1492, 17135), (1865, 13708), (2980, 8579), (3427, 7460), (3730, 6854)]