201847720

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{3607}}^1$

素因数の和:5017

約数の個数: 32

約数和(自身を含む): 454608000

約数和(自身を除く): 252760280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 3607, 5596, 6995, 7214, 11192, 13990, 14428, 18035, 27980, 28856, 36070, 55960, 72140, 144280, 5046193, 10092386, 20184772, 25230965, 40369544, 50461930, 100923860, 201847720]

約数ペア:

[(1, 201847720), (2, 100923860), (4, 50461930), (5, 40369544), (8, 25230965), (10, 20184772), (20, 10092386), (40, 5046193), (1399, 144280), (2798, 72140), (3607, 55960), (5596, 36070), (6995, 28856), (7214, 27980), (11192, 18035), (13990, 14428)]