40542964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 89187840

約数和(自身を除く): 48644876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 947, 973, 1529, 1894, 1946, 3058, 3788, 3892, 6116, 6629, 10417, 10703, 13258, 20834, 21406, 26516, 41668, 42812, 72919, 131633, 145838, 263266, 291676, 526532, 921431, 1447963, 1842862, 2895926, 3685724, 5791852, 10135741, 20271482, 40542964]

約数ペア:

[(1, 40542964), (2, 20271482), (4, 10135741), (7, 5791852), (11, 3685724), (14, 2895926), (22, 1842862), (28, 1447963), (44, 921431), (77, 526532), (139, 291676), (154, 263266), (278, 145838), (308, 131633), (556, 72919), (947, 42812), (973, 41668), (1529, 26516), (1894, 21406), (1946, 20834), (3058, 13258), (3788, 10703), (3892, 10417), (6116, 6629)]