65278420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{3881}}^1$

素因数の和:3948

約数の個数: 36

約数和(自身を含む): 142011324

約数和(自身を除く): 76732904

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 3881, 4205, 7762, 8410, 15524, 16820, 19405, 38810, 77620, 112549, 225098, 450196, 562745, 1125490, 2250980, 3263921, 6527842, 13055684, 16319605, 32639210, 65278420]

約数ペア:

[(1, 65278420), (2, 32639210), (4, 16319605), (5, 13055684), (10, 6527842), (20, 3263921), (29, 2250980), (58, 1125490), (116, 562745), (145, 450196), (290, 225098), (580, 112549), (841, 77620), (1682, 38810), (3364, 19405), (3881, 16820), (4205, 15524), (7762, 8410)]