161936960

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3863}}^1$

素因数の和:4011

約数の個数: 56

約数和(自身を含む): 388656576

約数和(自身を除く): 226719616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 3863, 4192, 5240, 7726, 8384, 10480, 15452, 19315, 20960, 30904, 38630, 41920, 61808, 77260, 123616, 154520, 247232, 309040, 506053, 618080, 1012106, 1236160, 2024212, 2530265, 4048424, 5060530, 8096848, 10121060, 16193696, 20242120, 32387392, 40484240, 80968480, 161936960]

約数ペア:

[(1, 161936960), (2, 80968480), (4, 40484240), (5, 32387392), (8, 20242120), (10, 16193696), (16, 10121060), (20, 8096848), (32, 5060530), (40, 4048424), (64, 2530265), (80, 2024212), (131, 1236160), (160, 1012106), (262, 618080), (320, 506053), (524, 309040), (655, 247232), (1048, 154520), (1310, 123616), (2096, 77260), (2620, 61808), (3863, 41920), (4192, 38630), (5240, 30904), (7726, 20960), (8384, 19315), (10480, 15452)]