80687795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 105114240

約数和(自身を除く): 24426445

約数列:

[1, 5, 23, 41, 109, 115, 157, 205, 545, 785, 943, 2507, 3611, 4469, 4715, 6437, 12535, 17113, 18055, 22345, 32185, 85565, 102787, 148051, 393599, 513935, 701633, 740255, 1967995, 3508165, 16137559, 80687795]

約数ペア:

[(1, 80687795), (5, 16137559), (23, 3508165), (41, 1967995), (109, 740255), (115, 701633), (157, 513935), (205, 393599), (545, 148051), (785, 102787), (943, 85565), (2507, 32185), (3611, 22345), (4469, 18055), (4715, 17113), (6437, 12535)]