11603980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 25369344

約数和(自身を除く): 13765364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 131, 172, 206, 215, 262, 412, 430, 515, 524, 655, 860, 1030, 1310, 2060, 2620, 4429, 5633, 8858, 11266, 13493, 17716, 22145, 22532, 26986, 28165, 44290, 53972, 56330, 67465, 88580, 112660, 134930, 269860, 580199, 1160398, 2320796, 2900995, 5801990, 11603980]

約数ペア:

[(1, 11603980), (2, 5801990), (4, 2900995), (5, 2320796), (10, 1160398), (20, 580199), (43, 269860), (86, 134930), (103, 112660), (131, 88580), (172, 67465), (206, 56330), (215, 53972), (262, 44290), (412, 28165), (430, 26986), (515, 22532), (524, 22145), (655, 17716), (860, 13493), (1030, 11266), (1310, 8858), (2060, 5633), (2620, 4429)]