39985900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 90837936

約数和(自身を除く): 50852036

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 101, 107, 148, 185, 202, 214, 370, 404, 428, 505, 535, 740, 925, 1010, 1070, 1850, 2020, 2140, 2525, 2675, 3700, 3737, 3959, 5050, 5350, 7474, 7918, 10100, 10700, 10807, 14948, 15836, 18685, 19795, 21614, 37370, 39590, 43228, 54035, 74740, 79180, 93425, 98975, 108070, 186850, 197950, 216140, 270175, 373700, 395900, 399859, 540350, 799718, 1080700, 1599436, 1999295, 3998590, 7997180, 9996475, 19992950, 39985900]

約数ペア:

[(1, 39985900), (2, 19992950), (4, 9996475), (5, 7997180), (10, 3998590), (20, 1999295), (25, 1599436), (37, 1080700), (50, 799718), (74, 540350), (100, 399859), (101, 395900), (107, 373700), (148, 270175), (185, 216140), (202, 197950), (214, 186850), (370, 108070), (404, 98975), (428, 93425), (505, 79180), (535, 74740), (740, 54035), (925, 43228), (1010, 39590), (1070, 37370), (1850, 21614), (2020, 19795), (2140, 18685), (2525, 15836), (2675, 14948), (3700, 10807), (3737, 10700), (3959, 10100), (5050, 7918), (5350, 7474)]