155855120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19289}}^1$

素因数の和:19403

約数の個数: 40

約数和(自身を含む): 365969880

約数和(自身を除く): 210114760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 19289, 38578, 77156, 96445, 154312, 192890, 308624, 385780, 771560, 1543120, 1948189, 3896378, 7792756, 9740945, 15585512, 19481890, 31171024, 38963780, 77927560, 155855120]

約数ペア:

[(1, 155855120), (2, 77927560), (4, 38963780), (5, 31171024), (8, 19481890), (10, 15585512), (16, 9740945), (20, 7792756), (40, 3896378), (80, 1948189), (101, 1543120), (202, 771560), (404, 385780), (505, 308624), (808, 192890), (1010, 154312), (1616, 96445), (2020, 77156), (4040, 38578), (8080, 19289)]