49955380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6421}}^1$

素因数の和:6819

約数の個数: 24

約数和(自身を含む): 105192360

約数和(自身を除く): 55236980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 6421, 7780, 12842, 25684, 32105, 64210, 128420, 2497769, 4995538, 9991076, 12488845, 24977690, 49955380]

約数ペア:

[(1, 49955380), (2, 24977690), (4, 12488845), (5, 9991076), (10, 4995538), (20, 2497769), (389, 128420), (778, 64210), (1556, 32105), (1945, 25684), (3890, 12842), (6421, 7780)]