668805374480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{194420167}}^1$

素因数の和:194420223

約数の個数: 40

約数和(自身を含む): 1591134654912

約数和(自身を除く): 922329280432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 194420167, 388840334, 777680668, 972100835, 1555361336, 1944201670, 3110722672, 3888403340, 7776806680, 8360067181, 15553613360, 16720134362, 33440268724, 41800335905, 66880537448, 83600671810, 133761074896, 167201343620, 334402687240, 668805374480]

約数ペア:

[(1, 668805374480), (2, 334402687240), (4, 167201343620), (5, 133761074896), (8, 83600671810), (10, 66880537448), (16, 41800335905), (20, 33440268724), (40, 16720134362), (43, 15553613360), (80, 8360067181), (86, 7776806680), (172, 3888403340), (215, 3110722672), (344, 1944201670), (430, 1555361336), (688, 972100835), (860, 777680668), (1720, 388840334), (3440, 194420167)]