258638720720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25456567}}^1$

素因数の和:25456707

約数の個数: 40

約数和(自身を含む): 606069970944

約数和(自身を除く): 347431250224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 25456567, 50913134, 101826268, 127282835, 203652536, 254565670, 407305072, 509131340, 1018262680, 2036525360, 3232984009, 6465968018, 12931936036, 16164920045, 25863872072, 32329840090, 51727744144, 64659680180, 129319360360, 258638720720]

約数ペア:

[(1, 258638720720), (2, 129319360360), (4, 64659680180), (5, 51727744144), (8, 32329840090), (10, 25863872072), (16, 16164920045), (20, 12931936036), (40, 6465968018), (80, 3232984009), (127, 2036525360), (254, 1018262680), (508, 509131340), (635, 407305072), (1016, 254565670), (1270, 203652536), (2032, 127282835), (2540, 101826268), (5080, 50913134), (10160, 25456567)]