80207816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40591}}^1$

素因数の和:40629

約数の個数: 32

約数和(自身を含む): 170486400

約数和(自身を除く): 90278584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 40591, 81182, 162364, 324728, 527683, 771229, 1055366, 1542458, 2110732, 3084916, 4221464, 6169832, 10025977, 20051954, 40103908, 80207816]

約数ペア:

[(1, 80207816), (2, 40103908), (4, 20051954), (8, 10025977), (13, 6169832), (19, 4221464), (26, 3084916), (38, 2110732), (52, 1542458), (76, 1055366), (104, 771229), (152, 527683), (247, 324728), (494, 162364), (988, 81182), (1976, 40591)]