28398400

素因数分解:

$2^6\times 5^2\times {\mathrm{17749}}^1$

素因数の和:17771

約数の個数: 42

約数和(自身を含む): 69881750

約数和(自身を除く): 41483350

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 17749, 35498, 70996, 88745, 141992, 177490, 283984, 354980, 443725, 567968, 709960, 887450, 1135936, 1419920, 1774900, 2839840, 3549800, 5679680, 7099600, 14199200, 28398400]

約数ペア:

[(1, 28398400), (2, 14199200), (4, 7099600), (5, 5679680), (8, 3549800), (10, 2839840), (16, 1774900), (20, 1419920), (25, 1135936), (32, 887450), (40, 709960), (50, 567968), (64, 443725), (80, 354980), (100, 283984), (160, 177490), (200, 141992), (320, 88745), (400, 70996), (800, 35498), (1600, 17749)]