28952020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5009}}^1$

素因数の和:5052

約数の個数: 36

約数和(自身を含む): 64598940

約数和(自身を除く): 35646920

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5009, 5780, 10018, 20036, 25045, 50090, 85153, 100180, 170306, 340612, 425765, 851530, 1447601, 1703060, 2895202, 5790404, 7238005, 14476010, 28952020]

約数ペア:

[(1, 28952020), (2, 14476010), (4, 7238005), (5, 5790404), (10, 2895202), (17, 1703060), (20, 1447601), (34, 851530), (68, 425765), (85, 340612), (170, 170306), (289, 100180), (340, 85153), (578, 50090), (1156, 25045), (1445, 20036), (2890, 10018), (5009, 5780)]