39959945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 54172800

約数和(自身を除く): 14212855

約数列:

[1, 5, 17, 19, 85, 95, 109, 227, 323, 545, 1135, 1615, 1853, 2071, 3859, 4313, 9265, 10355, 19295, 21565, 24743, 35207, 73321, 123715, 176035, 366605, 420631, 470117, 2103155, 2350585, 7991989, 39959945]

約数ペア:

[(1, 39959945), (5, 7991989), (17, 2350585), (19, 2103155), (85, 470117), (95, 420631), (109, 366605), (227, 176035), (323, 123715), (545, 73321), (1135, 35207), (1615, 24743), (1853, 21565), (2071, 19295), (3859, 10355), (4313, 9265)]