72445820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5651}}^1$

素因数の和:6301

約数の個数: 24

約数和(自身を含む): 152400528

約数和(自身を除く): 79954708

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 5651, 6410, 11302, 12820, 22604, 28255, 56510, 113020, 3622291, 7244582, 14489164, 18111455, 36222910, 72445820]

約数ペア:

[(1, 72445820), (2, 36222910), (4, 18111455), (5, 14489164), (10, 7244582), (20, 3622291), (641, 113020), (1282, 56510), (2564, 28255), (3205, 22604), (5651, 12820), (6410, 11302)]