89568640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19993}}^1$

素因数の和:20019

約数の個数: 64

約数和(自身を含む): 244726560

約数和(自身を除く): 155157920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 19993, 39986, 79972, 99965, 139951, 159944, 199930, 279902, 319888, 399860, 559804, 639776, 699755, 799720, 1119608, 1279552, 1399510, 1599440, 2239216, 2559104, 2799020, 3198880, 4478432, 5598040, 6397760, 8956864, 11196080, 12795520, 17913728, 22392160, 44784320, 89568640]

約数ペア:

[(1, 89568640), (2, 44784320), (4, 22392160), (5, 17913728), (7, 12795520), (8, 11196080), (10, 8956864), (14, 6397760), (16, 5598040), (20, 4478432), (28, 3198880), (32, 2799020), (35, 2559104), (40, 2239216), (56, 1599440), (64, 1399510), (70, 1279552), (80, 1119608), (112, 799720), (128, 699755), (140, 639776), (160, 559804), (224, 399860), (280, 319888), (320, 279902), (448, 199930), (560, 159944), (640, 139951), (896, 99965), (1120, 79972), (2240, 39986), (4480, 19993)]