6443858800

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{80953}}^1$

素因数の和:81170

約数の個数: 60

約数和(自身を含む): 15559358800

約数和(自身を除く): 9115500000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1990, 3184, 3980, 4975, 7960, 9950, 15920, 19900, 39800, 79600, 80953, 161906, 323812, 404765, 647624, 809530, 1295248, 1619060, 2023825, 3238120, 4047650, 6476240, 8095300, 16109647, 16190600, 32219294, 32381200, 64438588, 80548235, 128877176, 161096470, 257754352, 322192940, 402741175, 644385880, 805482350, 1288771760, 1610964700, 3221929400, 6443858800]

約数ペア:

[(1, 6443858800), (2, 3221929400), (4, 1610964700), (5, 1288771760), (8, 805482350), (10, 644385880), (16, 402741175), (20, 322192940), (25, 257754352), (40, 161096470), (50, 128877176), (80, 80548235), (100, 64438588), (199, 32381200), (200, 32219294), (398, 16190600), (400, 16109647), (796, 8095300), (995, 6476240), (1592, 4047650), (1990, 3238120), (3184, 2023825), (3980, 1619060), (4975, 1295248), (7960, 809530), (9950, 647624), (15920, 404765), (19900, 323812), (39800, 161906), (79600, 80953)]