8193612800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{320063}}^1$

素因数の和:320093

約数の個数: 66

約数和(自身を含む): 20310301248

約数和(自身を除く): 12116688448

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, 2560, 3200, 5120, 6400, 12800, 25600, 320063, 640126, 1280252, 1600315, 2560504, 3200630, 5121008, 6401260, 8001575, 10242016, 12802520, 16003150, 20484032, 25605040, 32006300, 40968064, 51210080, 64012600, 81936128, 102420160, 128025200, 163872256, 204840320, 256050400, 327744512, 409680640, 512100800, 819361280, 1024201600, 1638722560, 2048403200, 4096806400, 8193612800]

約数ペア:

[(1, 8193612800), (2, 4096806400), (4, 2048403200), (5, 1638722560), (8, 1024201600), (10, 819361280), (16, 512100800), (20, 409680640), (25, 327744512), (32, 256050400), (40, 204840320), (50, 163872256), (64, 128025200), (80, 102420160), (100, 81936128), (128, 64012600), (160, 51210080), (200, 40968064), (256, 32006300), (320, 25605040), (400, 20484032), (512, 16003150), (640, 12802520), (800, 10242016), (1024, 8001575), (1280, 6401260), (1600, 5121008), (2560, 3200630), (3200, 2560504), (5120, 1600315), (6400, 1280252), (12800, 640126), (25600, 320063)]