51304370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20810

約数の個数: 32

約数和(自身を含む): 104690880

約数和(自身を除く): 53386510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20771, 41542, 103855, 207710, 270023, 394649, 540046, 789298, 1350115, 1973245, 2700230, 3946490, 5130437, 10260874, 25652185, 51304370]

約数ペア:

[(1, 51304370), (2, 25652185), (5, 10260874), (10, 5130437), (13, 3946490), (19, 2700230), (26, 1973245), (38, 1350115), (65, 789298), (95, 540046), (130, 394649), (190, 270023), (247, 207710), (494, 103855), (1235, 41542), (2470, 20771)]