51709970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1279}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 100638720

約数和(自身を除く): 48928750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1279, 1555, 2558, 3110, 4043, 6395, 8086, 12790, 16627, 20215, 33254, 40430, 83135, 166270, 397769, 795538, 1988845, 3977690, 5170997, 10341994, 25854985, 51709970]

約数ペア:

[(1, 51709970), (2, 25854985), (5, 10341994), (10, 5170997), (13, 3977690), (26, 1988845), (65, 795538), (130, 397769), (311, 166270), (622, 83135), (1279, 40430), (1555, 33254), (2558, 20215), (3110, 16627), (4043, 12790), (6395, 8086)]