26916280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15649}}^1$

素因数の和:15703

約数の個数: 32

約数和(自身を含む): 61974000

約数和(自身を除く): 35057720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15649, 31298, 62596, 78245, 125192, 156490, 312980, 625960, 672907, 1345814, 2691628, 3364535, 5383256, 6729070, 13458140, 26916280]

約数ペア:

[(1, 26916280), (2, 13458140), (4, 6729070), (5, 5383256), (8, 3364535), (10, 2691628), (20, 1345814), (40, 672907), (43, 625960), (86, 312980), (172, 156490), (215, 125192), (344, 78245), (430, 62596), (860, 31298), (1720, 15649)]