68038780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25969}}^1$

素因数の和:26109

約数の個数: 24

約数和(自身を含む): 143977680

約数和(自身を除く): 75938900

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25969, 51938, 103876, 129845, 259690, 519380, 3401939, 6803878, 13607756, 17009695, 34019390, 68038780]

約数ペア:

[(1, 68038780), (2, 34019390), (4, 17009695), (5, 13607756), (10, 6803878), (20, 3401939), (131, 519380), (262, 259690), (524, 129845), (655, 103876), (1310, 51938), (2620, 25969)]