40315520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{8999}}^1$

素因数の和:9025

約数の個数: 64

約数和(自身を含む): 110160000

約数和(自身を除く): 69844480

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, 8999, 17998, 35996, 44995, 62993, 71992, 89990, 125986, 143984, 179980, 251972, 287968, 314965, 359960, 503944, 575936, 629930, 719920, 1007888, 1151872, 1259860, 1439840, 2015776, 2519720, 2879680, 4031552, 5039440, 5759360, 8063104, 10078880, 20157760, 40315520]

約数ペア:

[(1, 40315520), (2, 20157760), (4, 10078880), (5, 8063104), (7, 5759360), (8, 5039440), (10, 4031552), (14, 2879680), (16, 2519720), (20, 2015776), (28, 1439840), (32, 1259860), (35, 1151872), (40, 1007888), (56, 719920), (64, 629930), (70, 575936), (80, 503944), (112, 359960), (128, 314965), (140, 287968), (160, 251972), (224, 179980), (280, 143984), (320, 125986), (448, 89990), (560, 71992), (640, 62993), (896, 44995), (1120, 35996), (2240, 17998), (4480, 8999)]