2573440

素因数分解:

$2^7\times 5^1\times {\mathrm{4021}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 6153660

約数和(自身を除く): 3580220

約数列:

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

約数ペア:

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