52881520

素因数分解:

$2^4\times 5^1\times {\mathrm{661019}}^1$

素因数の和:661032

約数の個数: 20

約数和(自身を含む): 122949720

約数和(自身を除く): 70068200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661019, 1322038, 2644076, 3305095, 5288152, 6610190, 10576304, 13220380, 26440760, 52881520]

約数ペア:

[(1, 52881520), (2, 26440760), (4, 13220380), (5, 10576304), (8, 6610190), (10, 5288152), (16, 3305095), (20, 2644076), (40, 1322038), (80, 661019)]