51378730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7457}}^1$

素因数の和:7530

約数の個数: 32

約数和(自身を含む): 101488464

約数和(自身を除く): 50109734

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 7457, 14914, 37285, 74570, 96941, 193882, 395221, 484705, 790442, 969410, 1976105, 3952210, 5137873, 10275746, 25689365, 51378730]

約数ペア:

[(1, 51378730), (2, 25689365), (5, 10275746), (10, 5137873), (13, 3952210), (26, 1976105), (53, 969410), (65, 790442), (106, 484705), (130, 395221), (265, 193882), (530, 96941), (689, 74570), (1378, 37285), (3445, 14914), (6890, 7457)]