202153640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388757}}^1$

素因数の和:388781

約数の個数: 32

約数和(自身を含む): 489835080

約数和(自身を除く): 287681440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388757, 777514, 1555028, 1943785, 3110056, 3887570, 5053841, 7775140, 10107682, 15550280, 20215364, 25269205, 40430728, 50538410, 101076820, 202153640]

約数ペア:

[(1, 202153640), (2, 101076820), (4, 50538410), (5, 40430728), (8, 25269205), (10, 20215364), (13, 15550280), (20, 10107682), (26, 7775140), (40, 5053841), (52, 3887570), (65, 3110056), (104, 1943785), (130, 1555028), (260, 777514), (520, 388757)]