81080570

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 148442112

約数和(自身を除く): 67361542

約数列:

[1, 2, 5, 10, 103, 206, 223, 353, 446, 515, 706, 1030, 1115, 1765, 2230, 3530, 22969, 36359, 45938, 72718, 78719, 114845, 157438, 181795, 229690, 363590, 393595, 787190, 8108057, 16216114, 40540285, 81080570]

約数ペア:

[(1, 81080570), (2, 40540285), (5, 16216114), (10, 8108057), (103, 787190), (206, 393595), (223, 363590), (353, 229690), (446, 181795), (515, 157438), (706, 114845), (1030, 78719), (1115, 72718), (1765, 45938), (2230, 36359), (3530, 22969)]