80716244

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 166320000

約数和(自身を除く): 85603756

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 109, 212, 218, 371, 436, 499, 742, 763, 998, 1484, 1526, 1996, 3052, 3493, 5777, 6986, 11554, 13972, 23108, 26447, 40439, 52894, 54391, 80878, 105788, 108782, 161756, 185129, 217564, 370258, 380737, 740516, 761474, 1522948, 2882723, 5765446, 11530892, 20179061, 40358122, 80716244]

約数ペア:

[(1, 80716244), (2, 40358122), (4, 20179061), (7, 11530892), (14, 5765446), (28, 2882723), (53, 1522948), (106, 761474), (109, 740516), (212, 380737), (218, 370258), (371, 217564), (436, 185129), (499, 161756), (742, 108782), (763, 105788), (998, 80878), (1484, 54391), (1526, 52894), (1996, 40439), (3052, 26447), (3493, 23108), (5777, 13972), (6986, 11554)]