51839680

素因数分解:

$2^6\times 5^1\times {\mathrm{161999}}^1$

素因数の和:162016

約数の個数: 28

約数和(自身を含む): 123444000

約数和(自身を除く): 71604320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161999, 323998, 647996, 809995, 1295992, 1619990, 2591984, 3239980, 5183968, 6479960, 10367936, 12959920, 25919840, 51839680]

約数ペア:

[(1, 51839680), (2, 25919840), (4, 12959920), (5, 10367936), (8, 6479960), (10, 5183968), (16, 3239980), (20, 2591984), (32, 1619990), (40, 1295992), (64, 809995), (80, 647996), (160, 323998), (320, 161999)]