28790360

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4021}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 65156400

約数和(自身を除く): 36366040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 4021, 7160, 8042, 16084, 20105, 32168, 40210, 80420, 160840, 719759, 1439518, 2879036, 3598795, 5758072, 7197590, 14395180, 28790360]

約数ペア:

[(1, 28790360), (2, 14395180), (4, 7197590), (5, 5758072), (8, 3598795), (10, 2879036), (20, 1439518), (40, 719759), (179, 160840), (358, 80420), (716, 40210), (895, 32168), (1432, 20105), (1790, 16084), (3580, 8042), (4021, 7160)]