65633440

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1319}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 155675520

約数和(自身を除く): 90042080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1319, 1555, 2488, 2638, 3110, 4976, 5276, 6220, 6595, 9952, 10552, 12440, 13190, 21104, 24880, 26380, 42208, 49760, 52760, 105520, 211040, 410209, 820418, 1640836, 2051045, 3281672, 4102090, 6563344, 8204180, 13126688, 16408360, 32816720, 65633440]

約数ペア:

[(1, 65633440), (2, 32816720), (4, 16408360), (5, 13126688), (8, 8204180), (10, 6563344), (16, 4102090), (20, 3281672), (32, 2051045), (40, 1640836), (80, 820418), (160, 410209), (311, 211040), (622, 105520), (1244, 52760), (1319, 49760), (1555, 42208), (2488, 26380), (2638, 24880), (3110, 21104), (4976, 13190), (5276, 12440), (6220, 10552), (6595, 9952)]