11518720

素因数分解:

$2^8\times 5^1\times {\mathrm{8999}}^1$

素因数の和:9020

約数の個数: 36

約数和(自身を含む): 27594000

約数和(自身を除く): 16075280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 8999, 17998, 35996, 44995, 71992, 89990, 143984, 179980, 287968, 359960, 575936, 719920, 1151872, 1439840, 2303744, 2879680, 5759360, 11518720]

約数ペア:

[(1, 11518720), (2, 5759360), (4, 2879680), (5, 2303744), (8, 1439840), (10, 1151872), (16, 719920), (20, 575936), (32, 359960), (40, 287968), (64, 179980), (80, 143984), (128, 89990), (160, 71992), (256, 44995), (320, 35996), (640, 17998), (1280, 8999)]