11387980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3181}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 24055920

約数和(自身を除く): 12667940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3181, 3580, 6362, 12724, 15905, 31810, 63620, 569399, 1138798, 2277596, 2846995, 5693990, 11387980]

約数ペア:

[(1, 11387980), (2, 5693990), (4, 2846995), (5, 2277596), (10, 1138798), (20, 569399), (179, 63620), (358, 31810), (716, 15905), (895, 12724), (1790, 6362), (3181, 3580)]