204864530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{7919}}^1$

素因数の和:8138

約数の個数: 32

約数和(自身を含む): 399168000

約数和(自身を除く): 194303470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 7919, 12935, 15838, 25870, 39595, 79190, 102947, 205894, 514735, 1029470, 1575881, 3151762, 7879405, 15758810, 20486453, 40972906, 102432265, 204864530]

約数ペア:

[(1, 204864530), (2, 102432265), (5, 40972906), (10, 20486453), (13, 15758810), (26, 7879405), (65, 3151762), (130, 1575881), (199, 1029470), (398, 514735), (995, 205894), (1990, 102947), (2587, 79190), (5174, 39595), (7919, 25870), (12935, 15838)]