8955520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2025

約数の個数: 64

約数和(自身を含む): 24480000

約数和(自身を除く): 15524480

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, 1999, 2240, 3998, 4480, 7996, 9995, 13993, 15992, 19990, 27986, 31984, 39980, 55972, 63968, 69965, 79960, 111944, 127936, 139930, 159920, 223888, 255872, 279860, 319840, 447776, 559720, 639680, 895552, 1119440, 1279360, 1791104, 2238880, 4477760, 8955520]

約数ペア:

[(1, 8955520), (2, 4477760), (4, 2238880), (5, 1791104), (7, 1279360), (8, 1119440), (10, 895552), (14, 639680), (16, 559720), (20, 447776), (28, 319840), (32, 279860), (35, 255872), (40, 223888), (56, 159920), (64, 139930), (70, 127936), (80, 111944), (112, 79960), (128, 69965), (140, 63968), (160, 55972), (224, 39980), (280, 31984), (320, 27986), (448, 19990), (560, 15992), (640, 13993), (896, 9995), (1120, 7996), (1999, 4480), (2240, 3998)]