640970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5827}}^1$

素因数の和:5845

約数の個数: 16

約数和(自身を含む): 1258848

約数和(自身を除く): 617878

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 5827, 11654, 29135, 58270, 64097, 128194, 320485, 640970]

約数ペア:

[(1, 640970), (2, 320485), (5, 128194), (10, 64097), (11, 58270), (22, 29135), (55, 11654), (110, 5827)]