66962960

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3967}}^1$

素因数の和:4191

約数の個数: 40

約数和(自身を含む): 156466176

約数和(自身を除く): 89503216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 3967, 4220, 7934, 8440, 15868, 16880, 19835, 31736, 39670, 63472, 79340, 158680, 317360, 837037, 1674074, 3348148, 4185185, 6696296, 8370370, 13392592, 16740740, 33481480, 66962960]

約数ペア:

[(1, 66962960), (2, 33481480), (4, 16740740), (5, 13392592), (8, 8370370), (10, 6696296), (16, 4185185), (20, 3348148), (40, 1674074), (80, 837037), (211, 317360), (422, 158680), (844, 79340), (1055, 63472), (1688, 39670), (2110, 31736), (3376, 19835), (3967, 16880), (4220, 15868), (7934, 8440)]