47988940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{28909}}^1$

素因数の和:29001

約数の個数: 24

約数和(自身を含む): 101994480

約数和(自身を除く): 54005540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 28909, 57818, 115636, 144545, 289090, 578180, 2399447, 4798894, 9597788, 11997235, 23994470, 47988940]

約数ペア:

[(1, 47988940), (2, 23994470), (4, 11997235), (5, 9597788), (10, 4798894), (20, 2399447), (83, 578180), (166, 289090), (332, 144545), (415, 115636), (830, 57818), (1660, 28909)]