28931920000

素因数分解:

$2^7\times 5^4\times {\mathrm{361649}}^1$

素因数の和:361683

約数の個数: 80

約数和(自身を含む): 72024405750

約数和(自身を除く): 43092485750

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 16000, 20000, 40000, 80000, 361649, 723298, 1446596, 1808245, 2893192, 3616490, 5786384, 7232980, 9041225, 11572768, 14465960, 18082450, 23145536, 28931920, 36164900, 45206125, 46291072, 57863840, 72329800, 90412250, 115727680, 144659600, 180824500, 226030625, 231455360, 289319200, 361649000, 452061250, 578638400, 723298000, 904122500, 1157276800, 1446596000, 1808245000, 2893192000, 3616490000, 5786384000, 7232980000, 14465960000, 28931920000]

約数ペア:

[(1, 28931920000), (2, 14465960000), (4, 7232980000), (5, 5786384000), (8, 3616490000), (10, 2893192000), (16, 1808245000), (20, 1446596000), (25, 1157276800), (32, 904122500), (40, 723298000), (50, 578638400), (64, 452061250), (80, 361649000), (100, 289319200), (125, 231455360), (128, 226030625), (160, 180824500), (200, 144659600), (250, 115727680), (320, 90412250), (400, 72329800), (500, 57863840), (625, 46291072), (640, 45206125), (800, 36164900), (1000, 28931920), (1250, 23145536), (1600, 18082450), (2000, 14465960), (2500, 11572768), (3200, 9041225), (4000, 7232980), (5000, 5786384), (8000, 3616490), (10000, 2893192), (16000, 1808245), (20000, 1446596), (40000, 723298), (80000, 361649)]