85242740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20432

約数の個数: 48

約数和(自身を含む): 205571520

約数和(自身を除く): 120328780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 20393, 40786, 81572, 101965, 203930, 224323, 387467, 407860, 448646, 774934, 897292, 1121615, 1549868, 1937335, 2243230, 3874670, 4262137, 4486460, 7749340, 8524274, 17048548, 21310685, 42621370, 85242740]

約数ペア:

[(1, 85242740), (2, 42621370), (4, 21310685), (5, 17048548), (10, 8524274), (11, 7749340), (19, 4486460), (20, 4262137), (22, 3874670), (38, 2243230), (44, 1937335), (55, 1549868), (76, 1121615), (95, 897292), (110, 774934), (190, 448646), (209, 407860), (220, 387467), (380, 224323), (418, 203930), (836, 101965), (1045, 81572), (2090, 40786), (4180, 20393)]