145241960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{84443}}^1$

素因数の和:84497

約数の個数: 32

約数和(自身を含む): 334398240

約数和(自身を除く): 189156280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 84443, 168886, 337772, 422215, 675544, 844430, 1688860, 3377720, 3631049, 7262098, 14524196, 18155245, 29048392, 36310490, 72620980, 145241960]

約数ペア:

[(1, 145241960), (2, 72620980), (4, 36310490), (5, 29048392), (8, 18155245), (10, 14524196), (20, 7262098), (40, 3631049), (43, 3377720), (86, 1688860), (172, 844430), (215, 675544), (344, 422215), (430, 337772), (860, 168886), (1720, 84443)]