8852740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11468540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 431, 790, 862, 1027, 1580, 1724, 2054, 2155, 4108, 4310, 5135, 5603, 8620, 10270, 11206, 20540, 22412, 28015, 34049, 56030, 68098, 112060, 136196, 170245, 340490, 442637, 680980, 885274, 1770548, 2213185, 4426370, 8852740]

約数ペア:

[(1, 8852740), (2, 4426370), (4, 2213185), (5, 1770548), (10, 885274), (13, 680980), (20, 442637), (26, 340490), (52, 170245), (65, 136196), (79, 112060), (130, 68098), (158, 56030), (260, 34049), (316, 28015), (395, 22412), (431, 20540), (790, 11206), (862, 10270), (1027, 8620), (1580, 5603), (1724, 5135), (2054, 4310), (2155, 4108)]