65772860

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{3967}}^1$

素因数の和:4805

約数の個数: 24

約数和(自身を含む): 138324480

約数和(自身を除く): 72551620

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 3967, 4145, 7934, 8290, 15868, 16580, 19835, 39670, 79340, 3288643, 6577286, 13154572, 16443215, 32886430, 65772860]

約数ペア:

[(1, 65772860), (2, 32886430), (4, 16443215), (5, 13154572), (10, 6577286), (20, 3288643), (829, 79340), (1658, 39670), (3316, 19835), (3967, 16580), (4145, 15868), (7934, 8290)]