56019980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7759}}^1$

素因数の和:7806

約数の個数: 36

約数和(自身を含む): 124175520

約数和(自身を除く): 68155540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 7759, 15518, 31036, 38795, 77590, 147421, 155180, 294842, 589684, 737105, 1474210, 2800999, 2948420, 5601998, 11203996, 14004995, 28009990, 56019980]

約数ペア:

[(1, 56019980), (2, 28009990), (4, 14004995), (5, 11203996), (10, 5601998), (19, 2948420), (20, 2800999), (38, 1474210), (76, 737105), (95, 589684), (190, 294842), (361, 155180), (380, 147421), (722, 77590), (1444, 38795), (1805, 31036), (3610, 15518), (7220, 7759)]