20024768000

素因数分解:

$2^9\times 5^3\times {\mathrm{312887}}^1$

素因数の和:312920

約数の個数: 80

約数和(自身を含む): 49933170144

約数和(自身を除く): 29908402144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1280, 1600, 2000, 2560, 3200, 4000, 6400, 8000, 12800, 16000, 32000, 64000, 312887, 625774, 1251548, 1564435, 2503096, 3128870, 5006192, 6257740, 7822175, 10012384, 12515480, 15644350, 20024768, 25030960, 31288700, 39110875, 40049536, 50061920, 62577400, 78221750, 80099072, 100123840, 125154800, 156443500, 160198144, 200247680, 250309600, 312887000, 400495360, 500619200, 625774000, 800990720, 1001238400, 1251548000, 2002476800, 2503096000, 4004953600, 5006192000, 10012384000, 20024768000]

約数ペア:

[(1, 20024768000), (2, 10012384000), (4, 5006192000), (5, 4004953600), (8, 2503096000), (10, 2002476800), (16, 1251548000), (20, 1001238400), (25, 800990720), (32, 625774000), (40, 500619200), (50, 400495360), (64, 312887000), (80, 250309600), (100, 200247680), (125, 160198144), (128, 156443500), (160, 125154800), (200, 100123840), (250, 80099072), (256, 78221750), (320, 62577400), (400, 50061920), (500, 40049536), (512, 39110875), (640, 31288700), (800, 25030960), (1000, 20024768), (1280, 15644350), (1600, 12515480), (2000, 10012384), (2560, 7822175), (3200, 6257740), (4000, 5006192), (6400, 3128870), (8000, 2503096), (12800, 1564435), (16000, 1251548), (32000, 625774), (64000, 312887)]