2563900525

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 3345643008

約数和(自身を除く): 781742483

約数列:

[1, 5, 25, 47, 71, 73, 235, 355, 365, 421, 1175, 1775, 1825, 2105, 3337, 3431, 5183, 10525, 16685, 17155, 19787, 25915, 29891, 30733, 83425, 85775, 98935, 129575, 149455, 153665, 243601, 494675, 747275, 768325, 1218005, 1404877, 1444451, 2182043, 6090025, 7024385, 7222255, 10910215, 35121925, 36111275, 54551075, 102556021, 512780105, 2563900525]

約数ペア:

[(1, 2563900525), (5, 512780105), (25, 102556021), (47, 54551075), (71, 36111275), (73, 35121925), (235, 10910215), (355, 7222255), (365, 7024385), (421, 6090025), (1175, 2182043), (1775, 1444451), (1825, 1404877), (2105, 1218005), (3337, 768325), (3431, 747275), (5183, 494675), (10525, 243601), (16685, 153665), (17155, 149455), (19787, 129575), (25915, 98935), (29891, 85775), (30733, 83425)]