1320803210

素因数分解:

$2^1\times 5^1\times {\mathrm{6247}}^1\times {\mathrm{21143}}^1$

素因数の和:27397

約数の個数: 16

約数和(自身を含む): 2377938816

約数和(自身を除く): 1057135606

約数列:

[1, 2, 5, 10, 6247, 12494, 21143, 31235, 42286, 62470, 105715, 211430, 132080321, 264160642, 660401605, 1320803210]

約数ペア:

[(1, 1320803210), (2, 660401605), (5, 264160642), (10, 132080321), (6247, 211430), (12494, 105715), (21143, 62470), (31235, 42286)]