81004450

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{22193}}^1$

素因数の和:22278

約数の個数: 24

約数和(自身を含む): 152739108

約数和(自身を除く): 71734658

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 22193, 44386, 110965, 221930, 554825, 1109650, 1620089, 3240178, 8100445, 16200890, 40502225, 81004450]

約数ペア:

[(1, 81004450), (2, 40502225), (5, 16200890), (10, 8100445), (25, 3240178), (50, 1620089), (73, 1109650), (146, 554825), (365, 221930), (730, 110965), (1825, 44386), (3650, 22193)]