7540840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3557}}^1$

素因数の和:3621

約数の個数: 32

約数和(自身を含む): 17291880

約数和(自身を除く): 9751040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3557, 7114, 14228, 17785, 28456, 35570, 71140, 142280, 188521, 377042, 754084, 942605, 1508168, 1885210, 3770420, 7540840]

約数ペア:

[(1, 7540840), (2, 3770420), (4, 1885210), (5, 1508168), (8, 942605), (10, 754084), (20, 377042), (40, 188521), (53, 142280), (106, 71140), (212, 35570), (265, 28456), (424, 17785), (530, 14228), (1060, 7114), (2120, 3557)]