86820640

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1259}}^1$

素因数の和:1705

約数の個数: 48

約数和(自身を含む): 205752960

約数和(自身を除く): 118932320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 862, 1259, 1724, 2155, 2518, 3448, 4310, 5036, 6295, 6896, 8620, 10072, 12590, 13792, 17240, 20144, 25180, 34480, 40288, 50360, 68960, 100720, 201440, 542629, 1085258, 2170516, 2713145, 4341032, 5426290, 8682064, 10852580, 17364128, 21705160, 43410320, 86820640]

約数ペア:

[(1, 86820640), (2, 43410320), (4, 21705160), (5, 17364128), (8, 10852580), (10, 8682064), (16, 5426290), (20, 4341032), (32, 2713145), (40, 2170516), (80, 1085258), (160, 542629), (431, 201440), (862, 100720), (1259, 68960), (1724, 50360), (2155, 40288), (2518, 34480), (3448, 25180), (4310, 20144), (5036, 17240), (6295, 13792), (6896, 12590), (8620, 10072)]