38972000

素因数分解:

$2^5\times 5^3\times {\mathrm{9743}}^1$

素因数の和:9768

約数の個数: 48

約数和(自身を含む): 95764032

約数和(自身を除く): 56792032

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, 9743, 19486, 38972, 48715, 77944, 97430, 155888, 194860, 243575, 311776, 389720, 487150, 779440, 974300, 1217875, 1558880, 1948600, 2435750, 3897200, 4871500, 7794400, 9743000, 19486000, 38972000]

約数ペア:

[(1, 38972000), (2, 19486000), (4, 9743000), (5, 7794400), (8, 4871500), (10, 3897200), (16, 2435750), (20, 1948600), (25, 1558880), (32, 1217875), (40, 974300), (50, 779440), (80, 487150), (100, 389720), (125, 311776), (160, 243575), (200, 194860), (250, 155888), (400, 97430), (500, 77944), (800, 48715), (1000, 38972), (2000, 19486), (4000, 9743)]