27697160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16103}}^1$

素因数の和:16157

約数の個数: 32

約数和(自身を含む): 63771840

約数和(自身を除く): 36074680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16103, 32206, 64412, 80515, 128824, 161030, 322060, 644120, 692429, 1384858, 2769716, 3462145, 5539432, 6924290, 13848580, 27697160]

約数ペア:

[(1, 27697160), (2, 13848580), (4, 6924290), (5, 5539432), (8, 3462145), (10, 2769716), (20, 1384858), (40, 692429), (43, 644120), (86, 322060), (172, 161030), (215, 128824), (344, 80515), (430, 64412), (860, 32206), (1720, 16103)]