40108400

素因数分解:

$2^4\times 5^2\times {\mathrm{100271}}^1$

素因数の和:100289

約数の個数: 30

約数和(自身を含む): 96361392

約数和(自身を除く): 56252992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100271, 200542, 401084, 501355, 802168, 1002710, 1604336, 2005420, 2506775, 4010840, 5013550, 8021680, 10027100, 20054200, 40108400]

約数ペア:

[(1, 40108400), (2, 20054200), (4, 10027100), (5, 8021680), (8, 5013550), (10, 4010840), (16, 2506775), (20, 2005420), (25, 1604336), (40, 1002710), (50, 802168), (80, 501355), (100, 401084), (200, 200542), (400, 100271)]