8984960

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 21848400

約数和(自身を除く): 12863440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 139, 160, 202, 278, 320, 404, 505, 556, 640, 695, 808, 1010, 1112, 1390, 1616, 2020, 2224, 2780, 3232, 4040, 4448, 5560, 6464, 8080, 8896, 11120, 12928, 14039, 16160, 17792, 22240, 28078, 32320, 44480, 56156, 64640, 70195, 88960, 112312, 140390, 224624, 280780, 449248, 561560, 898496, 1123120, 1796992, 2246240, 4492480, 8984960]

約数ペア:

[(1, 8984960), (2, 4492480), (4, 2246240), (5, 1796992), (8, 1123120), (10, 898496), (16, 561560), (20, 449248), (32, 280780), (40, 224624), (64, 140390), (80, 112312), (101, 88960), (128, 70195), (139, 64640), (160, 56156), (202, 44480), (278, 32320), (320, 28078), (404, 22240), (505, 17792), (556, 16160), (640, 14039), (695, 12928), (808, 11120), (1010, 8896), (1112, 8080), (1390, 6464), (1616, 5560), (2020, 4448), (2224, 4040), (2780, 3232)]