55480840

素因数分解:

$2^3\times 5^1\times {\mathrm{1387021}}^1$

素因数の和:1387032

約数の個数: 16

約数和(自身を含む): 124831980

約数和(自身を除く): 69351140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1387021, 2774042, 5548084, 6935105, 11096168, 13870210, 27740420, 55480840]

約数ペア:

[(1, 55480840), (2, 27740420), (4, 13870210), (5, 11096168), (8, 6935105), (10, 5548084), (20, 2774042), (40, 1387021)]