250007720

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{6269}}^1$

素因数の和:7277

約数の個数: 32

約数和(自身を含む): 563171400

約数和(自身を除く): 313163680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 6269, 7976, 9970, 12538, 19940, 25076, 31345, 39880, 50152, 62690, 125380, 250760, 6250193, 12500386, 25000772, 31250965, 50001544, 62501930, 125003860, 250007720]

約数ペア:

[(1, 250007720), (2, 125003860), (4, 62501930), (5, 50001544), (8, 31250965), (10, 25000772), (20, 12500386), (40, 6250193), (997, 250760), (1994, 125380), (3988, 62690), (4985, 50152), (6269, 39880), (7976, 31345), (9970, 25076), (12538, 19940)]