13805540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 34212864

約数和(自身を除く): 20407324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3181, 4340, 6362, 12724, 15905, 22267, 31810, 44534, 63620, 89068, 98611, 111335, 197222, 222670, 394444, 445340, 493055, 690277, 986110, 1380554, 1972220, 2761108, 3451385, 6902770, 13805540]

約数ペア:

[(1, 13805540), (2, 6902770), (4, 3451385), (5, 2761108), (7, 1972220), (10, 1380554), (14, 986110), (20, 690277), (28, 493055), (31, 445340), (35, 394444), (62, 222670), (70, 197222), (124, 111335), (140, 98611), (155, 89068), (217, 63620), (310, 44534), (434, 31810), (620, 22267), (868, 15905), (1085, 12724), (2170, 6362), (3181, 4340)]