25480784

素因数分解:

$2^4\times 7^3\times {\mathrm{4643}}^1$

素因数の和:4672

約数の個数: 40

約数和(自身を含む): 57585600

約数和(自身を除く): 32104816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 4643, 5488, 9286, 18572, 32501, 37144, 65002, 74288, 130004, 227507, 260008, 455014, 520016, 910028, 1592549, 1820056, 3185098, 3640112, 6370196, 12740392, 25480784]

約数ペア:

[(1, 25480784), (2, 12740392), (4, 6370196), (7, 3640112), (8, 3185098), (14, 1820056), (16, 1592549), (28, 910028), (49, 520016), (56, 455014), (98, 260008), (112, 227507), (196, 130004), (343, 74288), (392, 65002), (686, 37144), (784, 32501), (1372, 18572), (2744, 9286), (4643, 5488)]