655460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 1482936

約数和(自身を除く): 827476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2521, 5042, 10084, 12605, 25210, 32773, 50420, 65546, 131092, 163865, 327730, 655460]

約数ペア:

[(1, 655460), (2, 327730), (4, 163865), (5, 131092), (10, 65546), (13, 50420), (20, 32773), (26, 25210), (52, 12605), (65, 10084), (130, 5042), (260, 2521)]