15138800

素因数分解:

$2^4\times 5^2\times {\mathrm{37847}}^1$

素因数の和:37865

約数の個数: 30

約数和(自身を含む): 36371928

約数和(自身を除く): 21233128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 37847, 75694, 151388, 189235, 302776, 378470, 605552, 756940, 946175, 1513880, 1892350, 3027760, 3784700, 7569400, 15138800]

約数ペア:

[(1, 15138800), (2, 7569400), (4, 3784700), (5, 3027760), (8, 1892350), (10, 1513880), (16, 946175), (20, 756940), (25, 605552), (40, 378470), (50, 302776), (80, 189235), (100, 151388), (200, 75694), (400, 37847)]