40019600

素因数分解:

$2^4\times 5^2\times {\mathrm{100049}}^1$

素因数の和:100067

約数の個数: 30

約数和(自身を含む): 96148050

約数和(自身を除く): 56128450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100049, 200098, 400196, 500245, 800392, 1000490, 1600784, 2000980, 2501225, 4001960, 5002450, 8003920, 10004900, 20009800, 40019600]

約数ペア:

[(1, 40019600), (2, 20009800), (4, 10004900), (5, 8003920), (8, 5002450), (10, 4001960), (16, 2501225), (20, 2000980), (25, 1600784), (40, 1000490), (50, 800392), (80, 500245), (100, 400196), (200, 200098), (400, 100049)]