4096720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 9765000

約数和(自身を除く): 5668280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1249, 1640, 2498, 3280, 4996, 6245, 9992, 12490, 19984, 24980, 49960, 51209, 99920, 102418, 204836, 256045, 409672, 512090, 819344, 1024180, 2048360, 4096720]

約数ペア:

[(1, 4096720), (2, 2048360), (4, 1024180), (5, 819344), (8, 512090), (10, 409672), (16, 256045), (20, 204836), (40, 102418), (41, 99920), (80, 51209), (82, 49960), (164, 24980), (205, 19984), (328, 12490), (410, 9992), (656, 6245), (820, 4996), (1249, 3280), (1640, 2498)]