105112720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13009}}^1$

素因数の和:13123

約数の個数: 40

約数和(自身を含む): 246825720

約数和(自身を除く): 141713000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 13009, 26018, 52036, 65045, 104072, 130090, 208144, 260180, 520360, 1040720, 1313909, 2627818, 5255636, 6569545, 10511272, 13139090, 21022544, 26278180, 52556360, 105112720]

約数ペア:

[(1, 105112720), (2, 52556360), (4, 26278180), (5, 21022544), (8, 13139090), (10, 10511272), (16, 6569545), (20, 5255636), (40, 2627818), (80, 1313909), (101, 1040720), (202, 520360), (404, 260180), (505, 208144), (808, 130090), (1010, 104072), (1616, 65045), (2020, 52036), (4040, 26018), (8080, 13009)]