40790575

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 61075456

約数和(自身を除く): 20284881

約数列:

[1, 5, 7, 25, 31, 35, 73, 103, 155, 175, 217, 365, 511, 515, 721, 775, 1085, 1825, 2263, 2555, 2575, 3193, 3605, 5425, 7519, 11315, 12775, 15841, 15965, 18025, 22351, 37595, 52633, 56575, 79205, 79825, 111755, 187975, 233089, 263165, 396025, 558775, 1165445, 1315825, 1631623, 5827225, 8158115, 40790575]

約数ペア:

[(1, 40790575), (5, 8158115), (7, 5827225), (25, 1631623), (31, 1315825), (35, 1165445), (73, 558775), (103, 396025), (155, 263165), (175, 233089), (217, 187975), (365, 111755), (511, 79825), (515, 79205), (721, 56575), (775, 52633), (1085, 37595), (1825, 22351), (2263, 18025), (2555, 15965), (2575, 15841), (3193, 12775), (3605, 11315), (5425, 7519)]