2579840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 6426000

約数和(自身を除く): 3846160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 139, 145, 160, 232, 278, 290, 320, 464, 556, 580, 640, 695, 928, 1112, 1160, 1390, 1856, 2224, 2320, 2780, 3712, 4031, 4448, 4640, 5560, 8062, 8896, 9280, 11120, 16124, 17792, 18560, 20155, 22240, 32248, 40310, 44480, 64496, 80620, 88960, 128992, 161240, 257984, 322480, 515968, 644960, 1289920, 2579840]

約数ペア:

[(1, 2579840), (2, 1289920), (4, 644960), (5, 515968), (8, 322480), (10, 257984), (16, 161240), (20, 128992), (29, 88960), (32, 80620), (40, 64496), (58, 44480), (64, 40310), (80, 32248), (116, 22240), (128, 20155), (139, 18560), (145, 17792), (160, 16124), (232, 11120), (278, 9280), (290, 8896), (320, 8062), (464, 5560), (556, 4640), (580, 4448), (640, 4031), (695, 3712), (928, 2780), (1112, 2320), (1160, 2224), (1390, 1856)]