66220480

素因数分解:

$2^6\times 5^1\times {\mathrm{206939}}^1$

素因数の和:206956

約数の個数: 28

約数和(自身を含む): 157688280

約数和(自身を除く): 91467800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 206939, 413878, 827756, 1034695, 1655512, 2069390, 3311024, 4138780, 6622048, 8277560, 13244096, 16555120, 33110240, 66220480]

約数ペア:

[(1, 66220480), (2, 33110240), (4, 16555120), (5, 13244096), (8, 8277560), (10, 6622048), (16, 4138780), (20, 3311024), (32, 2069390), (40, 1655512), (64, 1034695), (80, 827756), (160, 413878), (320, 206939)]