10649740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 23466240

約数和(自身を除く): 12816500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 193, 310, 356, 386, 445, 620, 772, 890, 965, 1780, 1930, 2759, 3860, 5518, 5983, 11036, 11966, 13795, 17177, 23932, 27590, 29915, 34354, 55180, 59830, 68708, 85885, 119660, 171770, 343540, 532487, 1064974, 2129948, 2662435, 5324870, 10649740]

約数ペア:

[(1, 10649740), (2, 5324870), (4, 2662435), (5, 2129948), (10, 1064974), (20, 532487), (31, 343540), (62, 171770), (89, 119660), (124, 85885), (155, 68708), (178, 59830), (193, 55180), (310, 34354), (356, 29915), (386, 27590), (445, 23932), (620, 17177), (772, 13795), (890, 11966), (965, 11036), (1780, 5983), (1930, 5518), (2759, 3860)]