64932460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23357}}^1$

素因数の和:23505

約数の個数: 24

約数和(自身を含む): 137345040

約数和(自身を除く): 72412580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 23357, 46714, 93428, 116785, 233570, 467140, 3246623, 6493246, 12986492, 16233115, 32466230, 64932460]

約数ペア:

[(1, 64932460), (2, 32466230), (4, 16233115), (5, 12986492), (10, 6493246), (20, 3246623), (139, 467140), (278, 233570), (556, 116785), (695, 93428), (1390, 46714), (2780, 23357)]