8485720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12479}}^1$

素因数の和:12507

約数の個数: 32

約数和(自身を含む): 20217600

約数和(自身を除く): 11731880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12479, 24958, 49916, 62395, 99832, 124790, 212143, 249580, 424286, 499160, 848572, 1060715, 1697144, 2121430, 4242860, 8485720]

約数ペア:

[(1, 8485720), (2, 4242860), (4, 2121430), (5, 1697144), (8, 1060715), (10, 848572), (17, 499160), (20, 424286), (34, 249580), (40, 212143), (68, 124790), (85, 99832), (136, 62395), (170, 49916), (340, 24958), (680, 12479)]