74381680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6689}}^1$

素因数の和:6841

約数の個数: 40

約数和(自身を含む): 174207600

約数和(自身を除く): 99825920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 6689, 11120, 13378, 26756, 33445, 53512, 66890, 107024, 133780, 267560, 535120, 929771, 1859542, 3719084, 4648855, 7438168, 9297710, 14876336, 18595420, 37190840, 74381680]

約数ペア:

[(1, 74381680), (2, 37190840), (4, 18595420), (5, 14876336), (8, 9297710), (10, 7438168), (16, 4648855), (20, 3719084), (40, 1859542), (80, 929771), (139, 535120), (278, 267560), (556, 133780), (695, 107024), (1112, 66890), (1390, 53512), (2224, 33445), (2780, 26756), (5560, 13378), (6689, 11120)]