2563960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9157}}^1$

素因数の和:9175

約数の個数: 32

約数和(自身を含む): 6593760

約数和(自身を除く): 4029800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9157, 18314, 36628, 45785, 64099, 73256, 91570, 128198, 183140, 256396, 320495, 366280, 512792, 640990, 1281980, 2563960]

約数ペア:

[(1, 2563960), (2, 1281980), (4, 640990), (5, 512792), (7, 366280), (8, 320495), (10, 256396), (14, 183140), (20, 128198), (28, 91570), (35, 73256), (40, 64099), (56, 45785), (70, 36628), (140, 18314), (280, 9157)]