1285475080

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{212827}}^1$

素因数の和:212989

約数の個数: 32

約数和(自身を含む): 2911487040

約数和(自身を除く): 1626011960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 212827, 425654, 851308, 1064135, 1702616, 2128270, 4256540, 8513080, 32136877, 64273754, 128547508, 160684385, 257095016, 321368770, 642737540, 1285475080]

約数ペア:

[(1, 1285475080), (2, 642737540), (4, 321368770), (5, 257095016), (8, 160684385), (10, 128547508), (20, 64273754), (40, 32136877), (151, 8513080), (302, 4256540), (604, 2128270), (755, 1702616), (1208, 1064135), (1510, 851308), (3020, 425654), (6040, 212827)]