3216880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 7588800

約数和(自身を除く): 4371920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 509, 632, 790, 1018, 1264, 1580, 2036, 2545, 3160, 4072, 5090, 6320, 8144, 10180, 20360, 40211, 40720, 80422, 160844, 201055, 321688, 402110, 643376, 804220, 1608440, 3216880]

約数ペア:

[(1, 3216880), (2, 1608440), (4, 804220), (5, 643376), (8, 402110), (10, 321688), (16, 201055), (20, 160844), (40, 80422), (79, 40720), (80, 40211), (158, 20360), (316, 10180), (395, 8144), (509, 6320), (632, 5090), (790, 4072), (1018, 3160), (1264, 2545), (1580, 2036)]