200119375

素因数分解:

$5^4\times {\mathrm{199}}^1\times {\mathrm{1609}}^1$

素因数の和:1828

約数の個数: 20

約数和(自身を含む): 251482000

約数和(自身を除く): 51362625

約数列:

[1, 5, 25, 125, 199, 625, 995, 1609, 4975, 8045, 24875, 40225, 124375, 201125, 320191, 1005625, 1600955, 8004775, 40023875, 200119375]

約数ペア:

[(1, 200119375), (5, 40023875), (25, 8004775), (125, 1600955), (199, 1005625), (625, 320191), (995, 201125), (1609, 124375), (4975, 40225), (8045, 24875)]