57056840

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3593}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 128737080

約数和(自身を除く): 71680240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3593, 3970, 7186, 7940, 14372, 15880, 17965, 28744, 35930, 71860, 143720, 1426421, 2852842, 5705684, 7132105, 11411368, 14264210, 28528420, 57056840]

約数ペア:

[(1, 57056840), (2, 28528420), (4, 14264210), (5, 11411368), (8, 7132105), (10, 5705684), (20, 2852842), (40, 1426421), (397, 143720), (794, 71860), (1588, 35930), (1985, 28744), (3176, 17965), (3593, 15880), (3970, 14372), (7186, 7940)]