131535280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38237}}^1$

素因数の和:38293

約数の個数: 40

約数和(自身を含む): 312939792

約数和(自身を除く): 181404512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 38237, 76474, 152948, 191185, 305896, 382370, 611792, 764740, 1529480, 1644191, 3058960, 3288382, 6576764, 8220955, 13153528, 16441910, 26307056, 32883820, 65767640, 131535280]

約数ペア:

[(1, 131535280), (2, 65767640), (4, 32883820), (5, 26307056), (8, 16441910), (10, 13153528), (16, 8220955), (20, 6576764), (40, 3288382), (43, 3058960), (80, 1644191), (86, 1529480), (172, 764740), (215, 611792), (344, 382370), (430, 305896), (688, 191185), (860, 152948), (1720, 76474), (3440, 38237)]