17389948820

素因数分解:

$2^2\times 5^1\times {\mathrm{6481}}^1\times {\mathrm{134161}}^1$

素因数の和:140651

約数の個数: 24

約数和(自身を含む): 36524799528

約数和(自身を除く): 19134850708

約数列:

[1, 2, 4, 5, 10, 20, 6481, 12962, 25924, 32405, 64810, 129620, 134161, 268322, 536644, 670805, 1341610, 2683220, 869497441, 1738994882, 3477989764, 4347487205, 8694974410, 17389948820]

約数ペア:

[(1, 17389948820), (2, 8694974410), (4, 4347487205), (5, 3477989764), (10, 1738994882), (20, 869497441), (6481, 2683220), (12962, 1341610), (25924, 670805), (32405, 536644), (64810, 268322), (129620, 134161)]