8155600

素因数分解:

$2^4\times 5^2\times {\mathrm{20389}}^1$

素因数の和:20407

約数の個数: 30

約数和(自身を含む): 19594790

約数和(自身を除く): 11439190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20389, 40778, 81556, 101945, 163112, 203890, 326224, 407780, 509725, 815560, 1019450, 1631120, 2038900, 4077800, 8155600]

約数ペア:

[(1, 8155600), (2, 4077800), (4, 2038900), (5, 1631120), (8, 1019450), (10, 815560), (16, 509725), (20, 407780), (25, 326224), (40, 203890), (50, 163112), (80, 101945), (100, 81556), (200, 40778), (400, 20389)]