5146880

素因数分解:

$2^8\times 5^1\times {\mathrm{4021}}^1$

素因数の和:4042

約数の個数: 36

約数和(自身を含む): 12331452

約数和(自身を除く): 7184572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 4021, 8042, 16084, 20105, 32168, 40210, 64336, 80420, 128672, 160840, 257344, 321680, 514688, 643360, 1029376, 1286720, 2573440, 5146880]

約数ペア:

[(1, 5146880), (2, 2573440), (4, 1286720), (5, 1029376), (8, 643360), (10, 514688), (16, 321680), (20, 257344), (32, 160840), (40, 128672), (64, 80420), (80, 64336), (128, 40210), (160, 32168), (256, 20105), (320, 16084), (640, 8042), (1280, 4021)]