31488049160

素因数分解:

$2^3\times 5^1\times {\mathrm{18127}}^1\times {\mathrm{43427}}^1$

素因数の和:61565

約数の個数: 32

約数和(自身を含む): 70853650560

約数和(自身を除く): 39365601400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18127, 36254, 43427, 72508, 86854, 90635, 145016, 173708, 181270, 217135, 347416, 362540, 434270, 725080, 868540, 1737080, 787201229, 1574402458, 3148804916, 3936006145, 6297609832, 7872012290, 15744024580, 31488049160]

約数ペア:

[(1, 31488049160), (2, 15744024580), (4, 7872012290), (5, 6297609832), (8, 3936006145), (10, 3148804916), (20, 1574402458), (40, 787201229), (18127, 1737080), (36254, 868540), (43427, 725080), (72508, 434270), (86854, 362540), (90635, 347416), (145016, 217135), (173708, 181270)]