164488040

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{9497}}^1$

素因数の和:9941

約数の個数: 32

約数和(自身を含む): 370991880

約数和(自身を除く): 206503840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 8660, 9497, 17320, 18994, 37988, 47485, 75976, 94970, 189940, 379880, 4112201, 8224402, 16448804, 20561005, 32897608, 41122010, 82244020, 164488040]

約数ペア:

[(1, 164488040), (2, 82244020), (4, 41122010), (5, 32897608), (8, 20561005), (10, 16448804), (20, 8224402), (40, 4112201), (433, 379880), (866, 189940), (1732, 94970), (2165, 75976), (3464, 47485), (4330, 37988), (8660, 18994), (9497, 17320)]