166330400

素因数分解:

$2^5\times 5^2\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1086

約数の個数: 72

約数和(自身を含む): 408137940

約数和(自身を除く): 241807540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 257, 400, 514, 800, 809, 1028, 1285, 1618, 2056, 2570, 3236, 4045, 4112, 5140, 6425, 6472, 8090, 8224, 10280, 12850, 12944, 16180, 20225, 20560, 25700, 25888, 32360, 40450, 41120, 51400, 64720, 80900, 102800, 129440, 161800, 205600, 207913, 323600, 415826, 647200, 831652, 1039565, 1663304, 2079130, 3326608, 4158260, 5197825, 6653216, 8316520, 10395650, 16633040, 20791300, 33266080, 41582600, 83165200, 166330400]

約数ペア:

[(1, 166330400), (2, 83165200), (4, 41582600), (5, 33266080), (8, 20791300), (10, 16633040), (16, 10395650), (20, 8316520), (25, 6653216), (32, 5197825), (40, 4158260), (50, 3326608), (80, 2079130), (100, 1663304), (160, 1039565), (200, 831652), (257, 647200), (400, 415826), (514, 323600), (800, 207913), (809, 205600), (1028, 161800), (1285, 129440), (1618, 102800), (2056, 80900), (2570, 64720), (3236, 51400), (4045, 41120), (4112, 40450), (5140, 32360), (6425, 25888), (6472, 25700), (8090, 20560), (8224, 20225), (10280, 16180), (12850, 12944)]