26387480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13463}}^1$

素因数の和:13488

約数の個数: 48

約数和(自身を含む): 69070320

約数和(自身を除く): 42682840

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, 13463, 26926, 53852, 67315, 94241, 107704, 134630, 188482, 269260, 376964, 471205, 538520, 659687, 753928, 942410, 1319374, 1884820, 2638748, 3298435, 3769640, 5277496, 6596870, 13193740, 26387480]

約数ペア:

[(1, 26387480), (2, 13193740), (4, 6596870), (5, 5277496), (7, 3769640), (8, 3298435), (10, 2638748), (14, 1884820), (20, 1319374), (28, 942410), (35, 753928), (40, 659687), (49, 538520), (56, 471205), (70, 376964), (98, 269260), (140, 188482), (196, 134630), (245, 107704), (280, 94241), (392, 67315), (490, 53852), (980, 26926), (1960, 13463)]