28017510080

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1786831}}^1$

素因数の和:1786862

約数の個数: 84

約数和(自身を含む): 77609261088

約数和(自身を除く): 49591751008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 1786831, 3573662, 7147324, 8934155, 12507817, 14294648, 17868310, 25015634, 28589296, 35736620, 50031268, 57178592, 62539085, 71473240, 87554719, 100062536, 114357184, 125078170, 142946480, 175109438, 200125072, 250156340, 285892960, 350218876, 400250144, 437773595, 500312680, 571785920, 700437752, 800500288, 875547190, 1000625360, 1400875504, 1751094380, 2001250720, 2801751008, 3502188760, 4002501440, 5603502016, 7004377520, 14008755040, 28017510080]

約数ペア:

[(1, 28017510080), (2, 14008755040), (4, 7004377520), (5, 5603502016), (7, 4002501440), (8, 3502188760), (10, 2801751008), (14, 2001250720), (16, 1751094380), (20, 1400875504), (28, 1000625360), (32, 875547190), (35, 800500288), (40, 700437752), (49, 571785920), (56, 500312680), (64, 437773595), (70, 400250144), (80, 350218876), (98, 285892960), (112, 250156340), (140, 200125072), (160, 175109438), (196, 142946480), (224, 125078170), (245, 114357184), (280, 100062536), (320, 87554719), (392, 71473240), (448, 62539085), (490, 57178592), (560, 50031268), (784, 35736620), (980, 28589296), (1120, 25015634), (1568, 17868310), (1960, 14294648), (2240, 12507817), (3136, 8934155), (3920, 7147324), (7840, 3573662), (15680, 1786831)]