67218920

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3881}}^1$

素因数の和:4325

約数の個数: 32

約数和(自身を含む): 151630920

約数和(自身を除く): 84412000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 3881, 4330, 7762, 8660, 15524, 17320, 19405, 31048, 38810, 77620, 155240, 1680473, 3360946, 6721892, 8402365, 13443784, 16804730, 33609460, 67218920]

約数ペア:

[(1, 67218920), (2, 33609460), (4, 16804730), (5, 13443784), (8, 8402365), (10, 6721892), (20, 3360946), (40, 1680473), (433, 155240), (866, 77620), (1732, 38810), (2165, 31048), (3464, 19405), (3881, 17320), (4330, 15524), (7762, 8660)]