12498920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{911}}^1$

素因数の和:943

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 20333080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 911, 980, 1372, 1715, 1822, 1960, 2744, 3430, 3644, 4555, 6377, 6860, 7288, 9110, 12754, 13720, 18220, 25508, 31885, 36440, 44639, 51016, 63770, 89278, 127540, 178556, 223195, 255080, 312473, 357112, 446390, 624946, 892780, 1249892, 1562365, 1785560, 2499784, 3124730, 6249460, 12498920]

約数ペア:

[(1, 12498920), (2, 6249460), (4, 3124730), (5, 2499784), (7, 1785560), (8, 1562365), (10, 1249892), (14, 892780), (20, 624946), (28, 446390), (35, 357112), (40, 312473), (49, 255080), (56, 223195), (70, 178556), (98, 127540), (140, 89278), (196, 63770), (245, 51016), (280, 44639), (343, 36440), (392, 31885), (490, 25508), (686, 18220), (911, 13720), (980, 12754), (1372, 9110), (1715, 7288), (1822, 6860), (1960, 6377), (2744, 4555), (3430, 3644)]