80776420

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{8761}}^1$

素因数の和:9231

約数の個数: 24

約数和(自身を含む): 170017848

約数和(自身を除く): 89241428

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 8761, 9220, 17522, 35044, 43805, 87610, 175220, 4038821, 8077642, 16155284, 20194105, 40388210, 80776420]

約数ペア:

[(1, 80776420), (2, 40388210), (4, 20194105), (5, 16155284), (10, 8077642), (20, 4038821), (461, 175220), (922, 87610), (1844, 43805), (2305, 35044), (4610, 17522), (8761, 9220)]