15128210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3889}}^1$

素因数の和:4285

約数の個数: 16

約数和(自身を含む): 27307800

約数和(自身を除く): 12179590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3889, 3890, 7778, 19445, 38890, 1512821, 3025642, 7564105, 15128210]

約数ペア:

[(1, 15128210), (2, 7564105), (5, 3025642), (10, 1512821), (389, 38890), (778, 19445), (1945, 7778), (3889, 3890)]