80844160

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2219

約数の個数: 64

約数和(自身を含む): 196635600

約数和(自身を除く): 115791440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2141, 2360, 3776, 4282, 4720, 7552, 8564, 9440, 10705, 17128, 18880, 21410, 34256, 37760, 42820, 68512, 85640, 126319, 137024, 171280, 252638, 274048, 342560, 505276, 631595, 685120, 1010552, 1263190, 1370240, 2021104, 2526380, 4042208, 5052760, 8084416, 10105520, 16168832, 20211040, 40422080, 80844160]

約数ペア:

[(1, 80844160), (2, 40422080), (4, 20211040), (5, 16168832), (8, 10105520), (10, 8084416), (16, 5052760), (20, 4042208), (32, 2526380), (40, 2021104), (59, 1370240), (64, 1263190), (80, 1010552), (118, 685120), (128, 631595), (160, 505276), (236, 342560), (295, 274048), (320, 252638), (472, 171280), (590, 137024), (640, 126319), (944, 85640), (1180, 68512), (1888, 42820), (2141, 37760), (2360, 34256), (3776, 21410), (4282, 18880), (4720, 17128), (7552, 10705), (8564, 9440)]