80165960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5843}}^1$

素因数の和:5875

約数の個数: 64

約数和(自身を含む): 210384000

約数和(自身を除く): 130218040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5843, 6860, 11686, 13720, 23372, 29215, 40901, 46744, 58430, 81802, 116860, 163604, 204505, 233720, 286307, 327208, 409010, 572614, 818020, 1145228, 1431535, 1636040, 2004149, 2290456, 2863070, 4008298, 5726140, 8016596, 10020745, 11452280, 16033192, 20041490, 40082980, 80165960]

約数ペア:

[(1, 80165960), (2, 40082980), (4, 20041490), (5, 16033192), (7, 11452280), (8, 10020745), (10, 8016596), (14, 5726140), (20, 4008298), (28, 2863070), (35, 2290456), (40, 2004149), (49, 1636040), (56, 1431535), (70, 1145228), (98, 818020), (140, 572614), (196, 409010), (245, 327208), (280, 286307), (343, 233720), (392, 204505), (490, 163604), (686, 116860), (980, 81802), (1372, 58430), (1715, 46744), (1960, 40901), (2744, 29215), (3430, 23372), (5843, 13720), (6860, 11686)]