8849240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1123}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 20029680

約数和(自身を除く): 11180440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1123, 1576, 1970, 2246, 3940, 4492, 5615, 7880, 8984, 11230, 22460, 44920, 221231, 442462, 884924, 1106155, 1769848, 2212310, 4424620, 8849240]

約数ペア:

[(1, 8849240), (2, 4424620), (4, 2212310), (5, 1769848), (8, 1106155), (10, 884924), (20, 442462), (40, 221231), (197, 44920), (394, 22460), (788, 11230), (985, 8984), (1123, 7880), (1576, 5615), (1970, 4492), (2246, 3940)]