804521640280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9497}}^2$

素因数の和:19228

約数の個数: 48

約数和(自身を含む): 1818482541120

約数和(自身を除く): 1013960900840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 9497, 18994, 37988, 47485, 75976, 94970, 189940, 379880, 2117831, 4235662, 8471324, 10589155, 16942648, 21178310, 42356620, 84713240, 90193009, 180386018, 360772036, 450965045, 721544072, 901930090, 1803860180, 3607720360, 20113041007, 40226082014, 80452164028, 100565205035, 160904328056, 201130410070, 402260820140, 804521640280]

約数ペア:

[(1, 804521640280), (2, 402260820140), (4, 201130410070), (5, 160904328056), (8, 100565205035), (10, 80452164028), (20, 40226082014), (40, 20113041007), (223, 3607720360), (446, 1803860180), (892, 901930090), (1115, 721544072), (1784, 450965045), (2230, 360772036), (4460, 180386018), (8920, 90193009), (9497, 84713240), (18994, 42356620), (37988, 21178310), (47485, 16942648), (75976, 10589155), (94970, 8471324), (189940, 4235662), (379880, 2117831)]