68615140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7607}}^1$

素因数の和:7668

約数の個数: 48

約数和(自身を含む): 161046144

約数和(自身を除く): 92431004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 7607, 9020, 15214, 30428, 38035, 76070, 83677, 152140, 167354, 311887, 334708, 418385, 623774, 836770, 1247548, 1559435, 1673540, 3118870, 3430757, 6237740, 6861514, 13723028, 17153785, 34307570, 68615140]

約数ペア:

[(1, 68615140), (2, 34307570), (4, 17153785), (5, 13723028), (10, 6861514), (11, 6237740), (20, 3430757), (22, 3118870), (41, 1673540), (44, 1559435), (55, 1247548), (82, 836770), (110, 623774), (164, 418385), (205, 334708), (220, 311887), (410, 167354), (451, 152140), (820, 83677), (902, 76070), (1804, 38035), (2255, 30428), (4510, 15214), (7607, 9020)]