40788580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41621}}^1$

素因数の和:41644

約数の個数: 36

約数和(自身を含む): 99643068

約数和(自身を除く): 58854488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 41621, 83242, 166484, 208105, 291347, 416210, 582694, 832420, 1165388, 1456735, 2039429, 2913470, 4078858, 5826940, 8157716, 10197145, 20394290, 40788580]

約数ペア:

[(1, 40788580), (2, 20394290), (4, 10197145), (5, 8157716), (7, 5826940), (10, 4078858), (14, 2913470), (20, 2039429), (28, 1456735), (35, 1165388), (49, 832420), (70, 582694), (98, 416210), (140, 291347), (196, 208105), (245, 166484), (490, 83242), (980, 41621)]