8439560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 19186200

約数和(自身を除く): 10746640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2089, 4040, 4178, 8356, 10445, 16712, 20890, 41780, 83560, 210989, 421978, 843956, 1054945, 1687912, 2109890, 4219780, 8439560]

約数ペア:

[(1, 8439560), (2, 4219780), (4, 2109890), (5, 1687912), (8, 1054945), (10, 843956), (20, 421978), (40, 210989), (101, 83560), (202, 41780), (404, 20890), (505, 16712), (808, 10445), (1010, 8356), (2020, 4178), (2089, 4040)]