12863560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18917}}^1$

素因数の和:18945

約数の個数: 32

約数和(自身を含む): 30647160

約数和(自身を除く): 17783600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18917, 37834, 75668, 94585, 151336, 189170, 321589, 378340, 643178, 756680, 1286356, 1607945, 2572712, 3215890, 6431780, 12863560]

約数ペア:

[(1, 12863560), (2, 6431780), (4, 3215890), (5, 2572712), (8, 1607945), (10, 1286356), (17, 756680), (20, 643178), (34, 378340), (40, 321589), (68, 189170), (85, 151336), (136, 94585), (170, 75668), (340, 37834), (680, 18917)]