80915270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{261017}}^1$

素因数の和:261055

約数の個数: 16

約数和(自身を含む): 150346368

約数和(自身を除く): 69431098

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 261017, 522034, 1305085, 2610170, 8091527, 16183054, 40457635, 80915270]

約数ペア:

[(1, 80915270), (2, 40457635), (5, 16183054), (10, 8091527), (31, 2610170), (62, 1305085), (155, 522034), (310, 261017)]