85344820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3559}}^1$

素因数の和:3688

約数の個数: 48

約数和(自身を含む): 197366400

約数和(自身を除く): 112021580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 3559, 4796, 5995, 7118, 11990, 14236, 17795, 23980, 35590, 39149, 71180, 78298, 156596, 195745, 387931, 391490, 775862, 782980, 1551724, 1939655, 3879310, 4267241, 7758620, 8534482, 17068964, 21336205, 42672410, 85344820]

約数ペア:

[(1, 85344820), (2, 42672410), (4, 21336205), (5, 17068964), (10, 8534482), (11, 7758620), (20, 4267241), (22, 3879310), (44, 1939655), (55, 1551724), (109, 782980), (110, 775862), (218, 391490), (220, 387931), (436, 195745), (545, 156596), (1090, 78298), (1199, 71180), (2180, 39149), (2398, 35590), (3559, 23980), (4796, 17795), (5995, 14236), (7118, 11990)]