12786160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6949}}^1$

素因数の和:6985

約数の個数: 40

約数和(自身を含む): 31024800

約数和(自身を除く): 18238640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 6949, 13898, 27796, 34745, 55592, 69490, 111184, 138980, 159827, 277960, 319654, 555920, 639308, 799135, 1278616, 1598270, 2557232, 3196540, 6393080, 12786160]

約数ペア:

[(1, 12786160), (2, 6393080), (4, 3196540), (5, 2557232), (8, 1598270), (10, 1278616), (16, 799135), (20, 639308), (23, 555920), (40, 319654), (46, 277960), (80, 159827), (92, 138980), (115, 111184), (184, 69490), (230, 55592), (368, 34745), (460, 27796), (920, 13898), (1840, 6949)]