26826520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13687}}^1$

素因数の和:13712

約数の個数: 48

約数和(自身を含む): 70219440

約数和(自身を除く): 43392920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13687, 27374, 54748, 68435, 95809, 109496, 136870, 191618, 273740, 383236, 479045, 547480, 670663, 766472, 958090, 1341326, 1916180, 2682652, 3353315, 3832360, 5365304, 6706630, 13413260, 26826520]

約数ペア:

[(1, 26826520), (2, 13413260), (4, 6706630), (5, 5365304), (7, 3832360), (8, 3353315), (10, 2682652), (14, 1916180), (20, 1341326), (28, 958090), (35, 766472), (40, 670663), (49, 547480), (56, 479045), (70, 383236), (98, 273740), (140, 191618), (196, 136870), (245, 109496), (280, 95809), (392, 68435), (490, 54748), (980, 27374), (1960, 13687)]