40945540

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1453}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 86105880

約数和(自身を除く): 45160340

約数列:

[1, 2, 4, 5, 10, 20, 1409, 1453, 2818, 2906, 5636, 5812, 7045, 7265, 14090, 14530, 28180, 29060, 2047277, 4094554, 8189108, 10236385, 20472770, 40945540]

約数ペア:

[(1, 40945540), (2, 20472770), (4, 10236385), (5, 8189108), (10, 4094554), (20, 2047277), (1409, 29060), (1453, 28180), (2818, 14530), (2906, 14090), (5636, 7265), (5812, 7045)]