12857587520

素因数分解:

$2^6\times 5^1\times {\mathrm{40179961}}^1$

素因数の和:40179978

約数の個数: 28

約数和(自身を含む): 30617131044

約数和(自身を除く): 17759543524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40179961, 80359922, 160719844, 200899805, 321439688, 401799610, 642879376, 803599220, 1285758752, 1607198440, 2571517504, 3214396880, 6428793760, 12857587520]

約数ペア:

[(1, 12857587520), (2, 6428793760), (4, 3214396880), (5, 2571517504), (8, 1607198440), (10, 1285758752), (16, 803599220), (20, 642879376), (32, 401799610), (40, 321439688), (64, 200899805), (80, 160719844), (160, 80359922), (320, 40179961)]