203465560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25561}}^1$

素因数の和:25771

約数の個数: 32

約数和(自身を含む): 460116000

約数和(自身を除く): 256650440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25561, 51122, 102244, 127805, 204488, 255610, 511220, 1022440, 5086639, 10173278, 20346556, 25433195, 40693112, 50866390, 101732780, 203465560]

約数ペア:

[(1, 203465560), (2, 101732780), (4, 50866390), (5, 40693112), (8, 25433195), (10, 20346556), (20, 10173278), (40, 5086639), (199, 1022440), (398, 511220), (796, 255610), (995, 204488), (1592, 127805), (1990, 102244), (3980, 51122), (7960, 25561)]