38956000

素因数分解:

$2^5\times 5^3\times {\mathrm{9739}}^1$

素因数の和:9764

約数の個数: 48

約数和(自身を含む): 95724720

約数和(自身を除く): 56768720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 9739, 19478, 38956, 48695, 77912, 97390, 155824, 194780, 243475, 311648, 389560, 486950, 779120, 973900, 1217375, 1558240, 1947800, 2434750, 3895600, 4869500, 7791200, 9739000, 19478000, 38956000]

約数ペア:

[(1, 38956000), (2, 19478000), (4, 9739000), (5, 7791200), (8, 4869500), (10, 3895600), (16, 2434750), (20, 1947800), (25, 1558240), (32, 1217375), (40, 973900), (50, 779120), (80, 486950), (100, 389560), (125, 311648), (160, 243475), (200, 194780), (250, 155824), (400, 97390), (500, 77912), (800, 48695), (1000, 38956), (2000, 19478), (4000, 9739)]