25898210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2729}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 50909040

約数和(自身を除く): 25010830

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2729, 4745, 5458, 9490, 13645, 27290, 35477, 70954, 177385, 199217, 354770, 398434, 996085, 1992170, 2589821, 5179642, 12949105, 25898210]

約数ペア:

[(1, 25898210), (2, 12949105), (5, 5179642), (10, 2589821), (13, 1992170), (26, 996085), (65, 398434), (73, 354770), (130, 199217), (146, 177385), (365, 70954), (730, 35477), (949, 27290), (1898, 13645), (2729, 9490), (4745, 5458)]