80773808

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{20113}}^1$

素因数の和:20372

約数の個数: 20

約数和(自身を含む): 157130568

約数和(自身を除く): 76356760

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 20113, 40226, 80452, 160904, 321808, 5048363, 10096726, 20193452, 40386904, 80773808]

約数ペア:

[(1, 80773808), (2, 40386904), (4, 20193452), (8, 10096726), (16, 5048363), (251, 321808), (502, 160904), (1004, 80452), (2008, 40226), (4016, 20113)]