127777120

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7907}}^1$

素因数の和:8023

約数の個数: 48

約数和(自身を含む): 304900848

約数和(自身を除く): 177123728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 7907, 8080, 15814, 16160, 31628, 39535, 63256, 79070, 126512, 158140, 253024, 316280, 632560, 798607, 1265120, 1597214, 3194428, 3993035, 6388856, 7986070, 12777712, 15972140, 25555424, 31944280, 63888560, 127777120]

約数ペア:

[(1, 127777120), (2, 63888560), (4, 31944280), (5, 25555424), (8, 15972140), (10, 12777712), (16, 7986070), (20, 6388856), (32, 3993035), (40, 3194428), (80, 1597214), (101, 1265120), (160, 798607), (202, 632560), (404, 316280), (505, 253024), (808, 158140), (1010, 126512), (1616, 79070), (2020, 63256), (3232, 39535), (4040, 31628), (7907, 16160), (8080, 15814)]