27311020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2950

約数の個数: 48

約数和(自身を含む): 64044288

約数和(自身を除く): 36733268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 2887, 4730, 5774, 9460, 11548, 14435, 28870, 31757, 57740, 63514, 124141, 127028, 158785, 248282, 317570, 496564, 620705, 635140, 1241410, 1365551, 2482820, 2731102, 5462204, 6827755, 13655510, 27311020]

約数ペア:

[(1, 27311020), (2, 13655510), (4, 6827755), (5, 5462204), (10, 2731102), (11, 2482820), (20, 1365551), (22, 1241410), (43, 635140), (44, 620705), (55, 496564), (86, 317570), (110, 248282), (172, 158785), (215, 127028), (220, 124141), (430, 63514), (473, 57740), (860, 31757), (946, 28870), (1892, 14435), (2365, 11548), (2887, 9460), (4730, 5774)]