88891707080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1\times {\mathrm{967}}^1$

素因数の和:1911

約数の個数: 128

約数和(自身を含む): 219379311360

約数和(自身を除く): 130487604280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 401, 440, 521, 802, 967, 1042, 1604, 1934, 2005, 2084, 2605, 3208, 3868, 4010, 4168, 4411, 4835, 5210, 5731, 7736, 8020, 8822, 9670, 10420, 10637, 11462, 16040, 17644, 19340, 20840, 21274, 22055, 22924, 28655, 35288, 38680, 42548, 44110, 45848, 53185, 57310, 85096, 88220, 106370, 114620, 176440, 208921, 212740, 229240, 387767, 417842, 425480, 503807, 775534, 835684, 1007614, 1044605, 1551068, 1671368, 1938835, 2015228, 2089210, 2298131, 2519035, 3102136, 3877670, 4030456, 4178420, 4265437, 4596262, 5038070, 5541877, 7755340, 8356840, 8530874, 9192524, 10076140, 11083754, 11490655, 15510680, 17061748, 18385048, 20152280, 21327185, 22167508, 22981310, 27709385, 34123496, 42654370, 44335016, 45962620, 55418770, 85308740, 91925240, 110837540, 170617480, 202026607, 221675080, 404053214, 808106428, 1010133035, 1616212856, 2020266070, 2222292677, 4040532140, 4444585354, 8081064280, 8889170708, 11111463385, 17778341416, 22222926770, 44445853540, 88891707080]

約数ペア:

[(1, 88891707080), (2, 44445853540), (4, 22222926770), (5, 17778341416), (8, 11111463385), (10, 8889170708), (11, 8081064280), (20, 4444585354), (22, 4040532140), (40, 2222292677), (44, 2020266070), (55, 1616212856), (88, 1010133035), (110, 808106428), (220, 404053214), (401, 221675080), (440, 202026607), (521, 170617480), (802, 110837540), (967, 91925240), (1042, 85308740), (1604, 55418770), (1934, 45962620), (2005, 44335016), (2084, 42654370), (2605, 34123496), (3208, 27709385), (3868, 22981310), (4010, 22167508), (4168, 21327185), (4411, 20152280), (4835, 18385048), (5210, 17061748), (5731, 15510680), (7736, 11490655), (8020, 11083754), (8822, 10076140), (9670, 9192524), (10420, 8530874), (10637, 8356840), (11462, 7755340), (16040, 5541877), (17644, 5038070), (19340, 4596262), (20840, 4265437), (21274, 4178420), (22055, 4030456), (22924, 3877670), (28655, 3102136), (35288, 2519035), (38680, 2298131), (42548, 2089210), (44110, 2015228), (45848, 1938835), (53185, 1671368), (57310, 1551068), (85096, 1044605), (88220, 1007614), (106370, 835684), (114620, 775534), (176440, 503807), (208921, 425480), (212740, 417842), (229240, 387767)]