165055760

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4787}}^1$

素因数の和:5231

約数の個数: 40

約数和(自身を含む): 384725376

約数和(自身を除く): 219669616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4310, 4787, 6896, 8620, 9574, 17240, 19148, 23935, 34480, 38296, 47870, 76592, 95740, 191480, 382960, 2063197, 4126394, 8252788, 10315985, 16505576, 20631970, 33011152, 41263940, 82527880, 165055760]

約数ペア:

[(1, 165055760), (2, 82527880), (4, 41263940), (5, 33011152), (8, 20631970), (10, 16505576), (16, 10315985), (20, 8252788), (40, 4126394), (80, 2063197), (431, 382960), (862, 191480), (1724, 95740), (2155, 76592), (3448, 47870), (4310, 38296), (4787, 34480), (6896, 23935), (8620, 19148), (9574, 17240)]