67516720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4241}}^1$

素因数の和:4453

約数の個数: 40

約数和(自身を含む): 157802400

約数和(自身を除く): 90285680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4241, 7960, 8482, 15920, 16964, 21205, 33928, 42410, 67856, 84820, 169640, 339280, 843959, 1687918, 3375836, 4219795, 6751672, 8439590, 13503344, 16879180, 33758360, 67516720]

約数ペア:

[(1, 67516720), (2, 33758360), (4, 16879180), (5, 13503344), (8, 8439590), (10, 6751672), (16, 4219795), (20, 3375836), (40, 1687918), (80, 843959), (199, 339280), (398, 169640), (796, 84820), (995, 67856), (1592, 42410), (1990, 33928), (3184, 21205), (3980, 16964), (4241, 15920), (7960, 8482)]