133771720

素因数分解:

$2^3\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{2011}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 301317120

約数和(自身を除く): 167545400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1663, 2011, 3326, 4022, 6652, 8044, 8315, 10055, 13304, 16088, 16630, 20110, 33260, 40220, 66520, 80440, 3344293, 6688586, 13377172, 16721465, 26754344, 33442930, 66885860, 133771720]

約数ペア:

[(1, 133771720), (2, 66885860), (4, 33442930), (5, 26754344), (8, 16721465), (10, 13377172), (20, 6688586), (40, 3344293), (1663, 80440), (2011, 66520), (3326, 40220), (4022, 33260), (6652, 20110), (8044, 16630), (8315, 16088), (10055, 13304)]