66688420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45677}}^1$

素因数の和:45759

約数の個数: 24

約数和(自身を含む): 141967224

約数和(自身を除く): 75278804

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45677, 91354, 182708, 228385, 456770, 913540, 3334421, 6668842, 13337684, 16672105, 33344210, 66688420]

約数ペア:

[(1, 66688420), (2, 33344210), (4, 16672105), (5, 13337684), (10, 6668842), (20, 3334421), (73, 913540), (146, 456770), (292, 228385), (365, 182708), (730, 91354), (1460, 45677)]