135313720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{24337}}^1$

素因数の和:24487

約数の個数: 32

約数和(自身を含む): 306658800

約数和(自身を除く): 171345080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 24337, 48674, 97348, 121685, 194696, 243370, 486740, 973480, 3382843, 6765686, 13531372, 16914215, 27062744, 33828430, 67656860, 135313720]

約数ペア:

[(1, 135313720), (2, 67656860), (4, 33828430), (5, 27062744), (8, 16914215), (10, 13531372), (20, 6765686), (40, 3382843), (139, 973480), (278, 486740), (556, 243370), (695, 194696), (1112, 121685), (1390, 97348), (2780, 48674), (5560, 24337)]