51207700

素因数分解:

$2^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1277}}^1$

素因数の和:1692

約数の個数: 36

約数和(自身を含む): 111485052

約数和(自身を除く): 60277352

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 802, 1277, 1604, 2005, 2554, 4010, 5108, 6385, 8020, 10025, 12770, 20050, 25540, 31925, 40100, 63850, 127700, 512077, 1024154, 2048308, 2560385, 5120770, 10241540, 12801925, 25603850, 51207700]

約数ペア:

[(1, 51207700), (2, 25603850), (4, 12801925), (5, 10241540), (10, 5120770), (20, 2560385), (25, 2048308), (50, 1024154), (100, 512077), (401, 127700), (802, 63850), (1277, 40100), (1604, 31925), (2005, 25540), (2554, 20050), (4010, 12770), (5108, 10025), (6385, 8020)]