89628520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 207464400

約数和(自身を除く): 117835880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 218, 244, 305, 337, 436, 488, 545, 610, 674, 872, 1090, 1220, 1348, 1685, 2180, 2440, 2696, 3370, 4360, 6649, 6740, 13298, 13480, 20557, 26596, 33245, 36733, 41114, 53192, 66490, 73466, 82228, 102785, 132980, 146932, 164456, 183665, 205570, 265960, 293864, 367330, 411140, 734660, 822280, 1469320, 2240713, 4481426, 8962852, 11203565, 17925704, 22407130, 44814260, 89628520]

約数ペア:

[(1, 89628520), (2, 44814260), (4, 22407130), (5, 17925704), (8, 11203565), (10, 8962852), (20, 4481426), (40, 2240713), (61, 1469320), (109, 822280), (122, 734660), (218, 411140), (244, 367330), (305, 293864), (337, 265960), (436, 205570), (488, 183665), (545, 164456), (610, 146932), (674, 132980), (872, 102785), (1090, 82228), (1220, 73466), (1348, 66490), (1685, 53192), (2180, 41114), (2440, 36733), (2696, 33245), (3370, 26596), (4360, 20557), (6649, 13480), (6740, 13298)]