4478540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20357}}^1$

素因数の和:20377

約数の個数: 24

約数和(自身を含む): 10260432

約数和(自身を除く): 5781892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20357, 40714, 81428, 101785, 203570, 223927, 407140, 447854, 895708, 1119635, 2239270, 4478540]

約数ペア:

[(1, 4478540), (2, 2239270), (4, 1119635), (5, 895708), (10, 447854), (11, 407140), (20, 223927), (22, 203570), (44, 101785), (55, 81428), (110, 40714), (220, 20357)]