19596080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4999}}^1$

素因数の和:5026

約数の個数: 60

約数和(自身を含む): 53010000

約数和(自身を除く): 33413920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4999, 9998, 19996, 24995, 34993, 39992, 49990, 69986, 79984, 99980, 139972, 174965, 199960, 244951, 279944, 349930, 399920, 489902, 559888, 699860, 979804, 1224755, 1399720, 1959608, 2449510, 2799440, 3919216, 4899020, 9798040, 19596080]

約数ペア:

[(1, 19596080), (2, 9798040), (4, 4899020), (5, 3919216), (7, 2799440), (8, 2449510), (10, 1959608), (14, 1399720), (16, 1224755), (20, 979804), (28, 699860), (35, 559888), (40, 489902), (49, 399920), (56, 349930), (70, 279944), (80, 244951), (98, 199960), (112, 174965), (140, 139972), (196, 99980), (245, 79984), (280, 69986), (392, 49990), (490, 39992), (560, 34993), (784, 24995), (980, 19996), (1960, 9998), (3920, 4999)]