266439400

素因数分解:

$2^3\times 5^2\times {\mathrm{521}}^1\times {\mathrm{2557}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 620903340

約数和(自身を除く): 354463940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 521, 1042, 2084, 2557, 2605, 4168, 5114, 5210, 10228, 10420, 12785, 13025, 20456, 20840, 25570, 26050, 51140, 52100, 63925, 102280, 104200, 127850, 255700, 511400, 1332197, 2664394, 5328788, 6660985, 10657576, 13321970, 26643940, 33304925, 53287880, 66609850, 133219700, 266439400]

約数ペア:

[(1, 266439400), (2, 133219700), (4, 66609850), (5, 53287880), (8, 33304925), (10, 26643940), (20, 13321970), (25, 10657576), (40, 6660985), (50, 5328788), (100, 2664394), (200, 1332197), (521, 511400), (1042, 255700), (2084, 127850), (2557, 104200), (2605, 102280), (4168, 63925), (5114, 52100), (5210, 51140), (10228, 26050), (10420, 25570), (12785, 20840), (13025, 20456)]