39800995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 15235805

約数列:

[1, 5, 13, 17, 65, 85, 181, 199, 221, 905, 995, 1105, 2353, 2587, 3077, 3383, 11765, 12935, 15385, 16915, 36019, 40001, 43979, 180095, 200005, 219895, 468247, 612323, 2341235, 3061615, 7960199, 39800995]

約数ペア:

[(1, 39800995), (5, 7960199), (13, 3061615), (17, 2341235), (65, 612323), (85, 468247), (181, 219895), (199, 200005), (221, 180095), (905, 43979), (995, 40001), (1105, 36019), (2353, 16915), (2587, 15385), (3077, 12935), (3383, 11765)]