61056280

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1531}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 137604240

約数和(自身を除く): 76547960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1531, 1994, 3062, 3988, 4985, 6124, 7655, 7976, 9970, 12248, 15310, 19940, 30620, 39880, 61240, 1526407, 3052814, 6105628, 7632035, 12211256, 15264070, 30528140, 61056280]

約数ペア:

[(1, 61056280), (2, 30528140), (4, 15264070), (5, 12211256), (8, 7632035), (10, 6105628), (20, 3052814), (40, 1526407), (997, 61240), (1531, 39880), (1994, 30620), (3062, 19940), (3988, 15310), (4985, 12248), (6124, 9970), (7655, 7976)]