87490280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{41269}}^1$

素因数の和:41333

約数の個数: 32

約数和(自身を含む): 200572200

約数和(自身を除く): 113081920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 41269, 82538, 165076, 206345, 330152, 412690, 825380, 1650760, 2187257, 4374514, 8749028, 10936285, 17498056, 21872570, 43745140, 87490280]

約数ペア:

[(1, 87490280), (2, 43745140), (4, 21872570), (5, 17498056), (8, 10936285), (10, 8749028), (20, 4374514), (40, 2187257), (53, 1650760), (106, 825380), (212, 412690), (265, 330152), (424, 206345), (530, 165076), (1060, 82538), (2120, 41269)]