65848520

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2521}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 148444920

約数和(自身を除く): 82596400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2521, 2612, 3265, 5042, 5224, 6530, 10084, 12605, 13060, 20168, 25210, 26120, 50420, 100840, 1646213, 3292426, 6584852, 8231065, 13169704, 16462130, 32924260, 65848520]

約数ペア:

[(1, 65848520), (2, 32924260), (4, 16462130), (5, 13169704), (8, 8231065), (10, 6584852), (20, 3292426), (40, 1646213), (653, 100840), (1306, 50420), (2521, 26120), (2612, 25210), (3265, 20168), (5042, 13060), (5224, 12605), (6530, 10084)]