6689240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1879}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 15228000

約数和(自身を除く): 8538760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1879, 3560, 3758, 7516, 9395, 15032, 18790, 37580, 75160, 167231, 334462, 668924, 836155, 1337848, 1672310, 3344620, 6689240]

約数ペア:

[(1, 6689240), (2, 3344620), (4, 1672310), (5, 1337848), (8, 836155), (10, 668924), (20, 334462), (40, 167231), (89, 75160), (178, 37580), (356, 18790), (445, 15032), (712, 9395), (890, 7516), (1780, 3758), (1879, 3560)]