55990840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6277}}^1$

素因数の和:6511

約数の個数: 32

約数和(自身を含む): 126564480

約数和(自身を除く): 70573640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6277, 8920, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 1399771, 2799542, 5599084, 6998855, 11198168, 13997710, 27995420, 55990840]

約数ペア:

[(1, 55990840), (2, 27995420), (4, 13997710), (5, 11198168), (8, 6998855), (10, 5599084), (20, 2799542), (40, 1399771), (223, 251080), (446, 125540), (892, 62770), (1115, 50216), (1784, 31385), (2230, 25108), (4460, 12554), (6277, 8920)]