22215880

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1489}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 50153400

約数和(自身を除く): 27937520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1489, 1492, 1865, 2978, 2984, 3730, 5956, 7445, 7460, 11912, 14890, 14920, 29780, 59560, 555397, 1110794, 2221588, 2776985, 4443176, 5553970, 11107940, 22215880]

約数ペア:

[(1, 22215880), (2, 11107940), (4, 5553970), (5, 4443176), (8, 2776985), (10, 2221588), (20, 1110794), (40, 555397), (373, 59560), (746, 29780), (1489, 14920), (1492, 14890), (1865, 11912), (2978, 7460), (2984, 7445), (3730, 5956)]