80640316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{32051}}^1$

素因数の和:32109

約数の個数: 24

約数和(自身を含む): 153464976

約数和(自身を除く): 72824660

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 32051, 64102, 128204, 544867, 1089734, 1185887, 2179468, 2371774, 4743548, 20160079, 40320158, 80640316]

約数ペア:

[(1, 80640316), (2, 40320158), (4, 20160079), (17, 4743548), (34, 2371774), (37, 2179468), (68, 1185887), (74, 1089734), (148, 544867), (629, 128204), (1258, 64102), (2516, 32051)]