839680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{41}}^1$

素因数の和:70

約数の個数: 52

約数和(自身を含む): 2064132

約数和(自身を除く): 1224452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1280, 1312, 1640, 2048, 2560, 2624, 3280, 4096, 5120, 5248, 6560, 10240, 10496, 13120, 20480, 20992, 26240, 41984, 52480, 83968, 104960, 167936, 209920, 419840, 839680]

約数ペア:

[(1, 839680), (2, 419840), (4, 209920), (5, 167936), (8, 104960), (10, 83968), (16, 52480), (20, 41984), (32, 26240), (40, 20992), (41, 20480), (64, 13120), (80, 10496), (82, 10240), (128, 6560), (160, 5248), (164, 5120), (205, 4096), (256, 3280), (320, 2624), (328, 2560), (410, 2048), (512, 1640), (640, 1312), (656, 1280), (820, 1024)]