42144260

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5417}}^1$

素因数の和:5815

約数の個数: 24

約数和(自身を含む): 88746840

約数和(自身を除く): 46602580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 5417, 7780, 10834, 21668, 27085, 54170, 108340, 2107213, 4214426, 8428852, 10536065, 21072130, 42144260]

約数ペア:

[(1, 42144260), (2, 21072130), (4, 10536065), (5, 8428852), (10, 4214426), (20, 2107213), (389, 108340), (778, 54170), (1556, 27085), (1945, 21668), (3890, 10834), (5417, 7780)]