25201820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10589}}^1$

素因数の和:10622

約数の個数: 48

約数和(自身を含む): 64048320

約数和(自身を除く): 38846500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 10589, 21178, 42356, 52945, 74123, 105890, 148246, 180013, 211780, 296492, 360026, 370615, 720052, 741230, 900065, 1260091, 1482460, 1800130, 2520182, 3600260, 5040364, 6300455, 12600910, 25201820]

約数ペア:

[(1, 25201820), (2, 12600910), (4, 6300455), (5, 5040364), (7, 3600260), (10, 2520182), (14, 1800130), (17, 1482460), (20, 1260091), (28, 900065), (34, 741230), (35, 720052), (68, 370615), (70, 360026), (85, 296492), (119, 211780), (140, 180013), (170, 148246), (238, 105890), (340, 74123), (476, 52945), (595, 42356), (1190, 21178), (2380, 10589)]