8425880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12391}}^1$

素因数の和:12419

約数の個数: 32

約数和(自身を含む): 20075040

約数和(自身を除く): 11649160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12391, 24782, 49564, 61955, 99128, 123910, 210647, 247820, 421294, 495640, 842588, 1053235, 1685176, 2106470, 4212940, 8425880]

約数ペア:

[(1, 8425880), (2, 4212940), (4, 2106470), (5, 1685176), (8, 1053235), (10, 842588), (17, 495640), (20, 421294), (34, 247820), (40, 210647), (68, 123910), (85, 99128), (136, 61955), (170, 49564), (340, 24782), (680, 12391)]