68654480

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6551}}^1$

素因数の和:6695

約数の個数: 40

約数和(自身を含む): 160864704

約数和(自身を除く): 92210224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6551, 10480, 13102, 26204, 32755, 52408, 65510, 104816, 131020, 262040, 524080, 858181, 1716362, 3432724, 4290905, 6865448, 8581810, 13730896, 17163620, 34327240, 68654480]

約数ペア:

[(1, 68654480), (2, 34327240), (4, 17163620), (5, 13730896), (8, 8581810), (10, 6865448), (16, 4290905), (20, 3432724), (40, 1716362), (80, 858181), (131, 524080), (262, 262040), (524, 131020), (655, 104816), (1048, 65510), (1310, 52408), (2096, 32755), (2620, 26204), (5240, 13102), (6551, 10480)]