207703120

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19819}}^1$

素因数の和:19963

約数の個数: 40

約数和(自身を含む): 486620640

約数和(自身を除く): 278917520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 19819, 39638, 79276, 99095, 158552, 198190, 317104, 396380, 792760, 1585520, 2596289, 5192578, 10385156, 12981445, 20770312, 25962890, 41540624, 51925780, 103851560, 207703120]

約数ペア:

[(1, 207703120), (2, 103851560), (4, 51925780), (5, 41540624), (8, 25962890), (10, 20770312), (16, 12981445), (20, 10385156), (40, 5192578), (80, 2596289), (131, 1585520), (262, 792760), (524, 396380), (655, 317104), (1048, 198190), (1310, 158552), (2096, 99095), (2620, 79276), (5240, 39638), (10480, 19819)]