40144400

素因数分解:

$2^4\times 5^2\times {\mathrm{100361}}^1$

素因数の和:100379

約数の個数: 30

約数和(自身を含む): 96447882

約数和(自身を除く): 56303482

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100361, 200722, 401444, 501805, 802888, 1003610, 1605776, 2007220, 2509025, 4014440, 5018050, 8028880, 10036100, 20072200, 40144400]

約数ペア:

[(1, 40144400), (2, 20072200), (4, 10036100), (5, 8028880), (8, 5018050), (10, 4014440), (16, 2509025), (20, 2007220), (25, 1605776), (40, 1003610), (50, 802888), (80, 501805), (100, 401444), (200, 200722), (400, 100361)]