520045720

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{42349}}^1$

素因数の和:42667

約数の個数: 32

約数和(自身を含む): 1173942000

約数和(自身を除く): 653896280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 42349, 84698, 169396, 211745, 338792, 423490, 846980, 1693960, 13001143, 26002286, 52004572, 65005715, 104009144, 130011430, 260022860, 520045720]

約数ペア:

[(1, 520045720), (2, 260022860), (4, 130011430), (5, 104009144), (8, 65005715), (10, 52004572), (20, 26002286), (40, 13001143), (307, 1693960), (614, 846980), (1228, 423490), (1535, 338792), (2456, 211745), (3070, 169396), (6140, 84698), (12280, 42349)]