66090320

素因数分解:

$2^4\times 5^1\times {\mathrm{826129}}^1$

素因数の和:826142

約数の個数: 20

約数和(自身を含む): 153660180

約数和(自身を除く): 87569860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826129, 1652258, 3304516, 4130645, 6609032, 8261290, 13218064, 16522580, 33045160, 66090320]

約数ペア:

[(1, 66090320), (2, 33045160), (4, 16522580), (5, 13218064), (8, 8261290), (10, 6609032), (16, 4130645), (20, 3304516), (40, 1652258), (80, 826129)]