80740737920

素因数分解:

$2^7\times 5^1\times {\mathrm{126157403}}^1$

素因数の和:126157422

約数の個数: 32

約数和(自身を含む): 193020828120

約数和(自身を除く): 112280090200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126157403, 252314806, 504629612, 630787015, 1009259224, 1261574030, 2018518448, 2523148060, 4037036896, 5046296120, 8074073792, 10092592240, 16148147584, 20185184480, 40370368960, 80740737920]

約数ペア:

[(1, 80740737920), (2, 40370368960), (4, 20185184480), (5, 16148147584), (8, 10092592240), (10, 8074073792), (16, 5046296120), (20, 4037036896), (32, 2523148060), (40, 2018518448), (64, 1261574030), (80, 1009259224), (128, 630787015), (160, 504629612), (320, 252314806), (640, 126157403)]