131442880

素因数分解:

$2^6\times 5^1\times {\mathrm{410759}}^1$

素因数の和:410776

約数の個数: 28

約数和(自身を含む): 312999120

約数和(自身を除く): 181556240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 410759, 821518, 1643036, 2053795, 3286072, 4107590, 6572144, 8215180, 13144288, 16430360, 26288576, 32860720, 65721440, 131442880]

約数ペア:

[(1, 131442880), (2, 65721440), (4, 32860720), (5, 26288576), (8, 16430360), (10, 13144288), (16, 8215180), (20, 6572144), (32, 4107590), (40, 3286072), (64, 2053795), (80, 1643036), (160, 821518), (320, 410759)]