25521305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 7967335

約数列:

[1, 5, 29, 37, 67, 71, 145, 185, 335, 355, 1073, 1943, 2059, 2479, 2627, 4757, 5365, 9715, 10295, 12395, 13135, 23785, 71891, 76183, 137953, 176009, 359455, 380915, 689765, 880045, 5104261, 25521305]

約数ペア:

[(1, 25521305), (5, 5104261), (29, 880045), (37, 689765), (67, 380915), (71, 359455), (145, 176009), (185, 137953), (335, 76183), (355, 71891), (1073, 23785), (1943, 13135), (2059, 12395), (2479, 10295), (2627, 9715), (4757, 5365)]