1810545760

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{86381}}^1$

素因数の和:86527

約数の個数: 48

約数和(自身を含む): 4310116272

約数和(自身を除く): 2499570512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 10480, 20960, 86381, 172762, 345524, 431905, 691048, 863810, 1382096, 1727620, 2764192, 3455240, 6910480, 11315911, 13820960, 22631822, 45263644, 56579555, 90527288, 113159110, 181054576, 226318220, 362109152, 452636440, 905272880, 1810545760]

約数ペア:

[(1, 1810545760), (2, 905272880), (4, 452636440), (5, 362109152), (8, 226318220), (10, 181054576), (16, 113159110), (20, 90527288), (32, 56579555), (40, 45263644), (80, 22631822), (131, 13820960), (160, 11315911), (262, 6910480), (524, 3455240), (655, 2764192), (1048, 1727620), (1310, 1382096), (2096, 863810), (2620, 691048), (4192, 431905), (5240, 345524), (10480, 172762), (20960, 86381)]