28745000

素因数分解:

$2^3\times 5^4\times {\mathrm{5749}}^1$

素因数の和:5775

約数の個数: 40

約数和(自身を含む): 67361250

約数和(自身を除く): 38616250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5749, 11498, 22996, 28745, 45992, 57490, 114980, 143725, 229960, 287450, 574900, 718625, 1149800, 1437250, 2874500, 3593125, 5749000, 7186250, 14372500, 28745000]

約数ペア:

[(1, 28745000), (2, 14372500), (4, 7186250), (5, 5749000), (8, 3593125), (10, 2874500), (20, 1437250), (25, 1149800), (40, 718625), (50, 574900), (100, 287450), (125, 229960), (200, 143725), (250, 114980), (500, 57490), (625, 45992), (1000, 28745), (1250, 22996), (2500, 11498), (5000, 5749)]