139509560

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7873}}^1$

素因数の和:8327

約数の個数: 32

約数和(自身を含む): 314645040

約数和(自身を除く): 175135480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 7873, 8860, 15746, 17720, 31492, 39365, 62984, 78730, 157460, 314920, 3487739, 6975478, 13950956, 17438695, 27901912, 34877390, 69754780, 139509560]

約数ペア:

[(1, 139509560), (2, 69754780), (4, 34877390), (5, 27901912), (8, 17438695), (10, 13950956), (20, 6975478), (40, 3487739), (443, 314920), (886, 157460), (1772, 78730), (2215, 62984), (3544, 39365), (4430, 31492), (7873, 17720), (8860, 15746)]