40985600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1601}}^1$

素因数の和:1631

約数の個数: 66

約数和(自身を含む): 101658114

約数和(自身を除く): 60672514

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 1601, 2560, 3200, 3202, 5120, 6400, 6404, 8005, 12800, 12808, 16010, 25600, 25616, 32020, 40025, 51232, 64040, 80050, 102464, 128080, 160100, 204928, 256160, 320200, 409856, 512320, 640400, 819712, 1024640, 1280800, 1639424, 2049280, 2561600, 4098560, 5123200, 8197120, 10246400, 20492800, 40985600]

約数ペア:

[(1, 40985600), (2, 20492800), (4, 10246400), (5, 8197120), (8, 5123200), (10, 4098560), (16, 2561600), (20, 2049280), (25, 1639424), (32, 1280800), (40, 1024640), (50, 819712), (64, 640400), (80, 512320), (100, 409856), (128, 320200), (160, 256160), (200, 204928), (256, 160100), (320, 128080), (400, 102464), (512, 80050), (640, 64040), (800, 51232), (1024, 40025), (1280, 32020), (1600, 25616), (1601, 25600), (2560, 16010), (3200, 12808), (3202, 12800), (5120, 8005), (6400, 6404)]