13608520

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 30724920

約数和(自身を除く): 17116400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 653, 1042, 1306, 2084, 2605, 2612, 3265, 4168, 5210, 5224, 6530, 10420, 13060, 20840, 26120, 340213, 680426, 1360852, 1701065, 2721704, 3402130, 6804260, 13608520]

約数ペア:

[(1, 13608520), (2, 6804260), (4, 3402130), (5, 2721704), (8, 1701065), (10, 1360852), (20, 680426), (40, 340213), (521, 26120), (653, 20840), (1042, 13060), (1306, 10420), (2084, 6530), (2605, 5224), (2612, 5210), (3265, 4168)]