64944040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231943}}^1$

素因数の和:231961

約数の個数: 32

約数和(自身を含む): 166999680

約数和(自身を除く): 102055640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231943, 463886, 927772, 1159715, 1623601, 1855544, 2319430, 3247202, 4638860, 6494404, 8118005, 9277720, 12988808, 16236010, 32472020, 64944040]

約数ペア:

[(1, 64944040), (2, 32472020), (4, 16236010), (5, 12988808), (7, 9277720), (8, 8118005), (10, 6494404), (14, 4638860), (20, 3247202), (28, 2319430), (35, 1855544), (40, 1623601), (56, 1159715), (70, 927772), (140, 463886), (280, 231943)]