66567320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{8713}}^1$

素因数の和:8915

約数の個数: 32

約数和(自身を含む): 150577920

約数和(自身を除く): 84010600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 8713, 17426, 34852, 43565, 69704, 87130, 174260, 348520, 1664183, 3328366, 6656732, 8320915, 13313464, 16641830, 33283660, 66567320]

約数ペア:

[(1, 66567320), (2, 33283660), (4, 16641830), (5, 13313464), (8, 8320915), (10, 6656732), (20, 3328366), (40, 1664183), (191, 348520), (382, 174260), (764, 87130), (955, 69704), (1528, 43565), (1910, 34852), (3820, 17426), (7640, 8713)]