25207140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60017}}^1$

素因数の和:60036

約数の個数: 48

約数和(自身を含む): 80664192

約数和(自身を除く): 55457052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 60017, 120034, 180051, 240068, 300085, 360102, 420119, 600170, 720204, 840238, 900255, 1200340, 1260357, 1680476, 1800510, 2100595, 2520714, 3601020, 4201190, 5041428, 6301785, 8402380, 12603570, 25207140]

約数ペア:

[(1, 25207140), (2, 12603570), (3, 8402380), (4, 6301785), (5, 5041428), (6, 4201190), (7, 3601020), (10, 2520714), (12, 2100595), (14, 1800510), (15, 1680476), (20, 1260357), (21, 1200340), (28, 900255), (30, 840238), (35, 720204), (42, 600170), (60, 420119), (70, 360102), (84, 300085), (105, 240068), (140, 180051), (210, 120034), (420, 60017)]