80420578

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 152064000

約数和(自身を除く): 71643422

約数列:

[1, 2, 7, 14, 19, 38, 43, 79, 86, 89, 133, 158, 178, 266, 301, 553, 602, 623, 817, 1106, 1246, 1501, 1634, 1691, 3002, 3382, 3397, 3827, 5719, 6794, 7031, 7654, 10507, 11438, 11837, 14062, 21014, 23674, 23779, 26789, 47558, 49217, 53578, 64543, 72713, 98434, 129086, 133589, 145426, 267178, 302333, 451801, 508991, 604666, 903602, 935123, 1017982, 1870246, 2116331, 4232662, 5744327, 11488654, 40210289, 80420578]

約数ペア:

[(1, 80420578), (2, 40210289), (7, 11488654), (14, 5744327), (19, 4232662), (38, 2116331), (43, 1870246), (79, 1017982), (86, 935123), (89, 903602), (133, 604666), (158, 508991), (178, 451801), (266, 302333), (301, 267178), (553, 145426), (602, 133589), (623, 129086), (817, 98434), (1106, 72713), (1246, 64543), (1501, 53578), (1634, 49217), (1691, 47558), (3002, 26789), (3382, 23779), (3397, 23674), (3827, 21014), (5719, 14062), (6794, 11837), (7031, 11438), (7654, 10507)]