9640040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 21780360

約数和(自身を除く): 12140320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 601, 802, 1202, 1604, 2005, 2404, 3005, 3208, 4010, 4808, 6010, 8020, 12020, 16040, 24040, 241001, 482002, 964004, 1205005, 1928008, 2410010, 4820020, 9640040]

約数ペア:

[(1, 9640040), (2, 4820020), (4, 2410010), (5, 1928008), (8, 1205005), (10, 964004), (20, 482002), (40, 241001), (401, 24040), (601, 16040), (802, 12020), (1202, 8020), (1604, 6010), (2005, 4808), (2404, 4010), (3005, 3208)]