15604420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60017}}^1$

素因数の和:60039

約数の個数: 24

約数和(自身を含む): 35290584

約数和(自身を除く): 19686164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60017, 120034, 240068, 300085, 600170, 780221, 1200340, 1560442, 3120884, 3901105, 7802210, 15604420]

約数ペア:

[(1, 15604420), (2, 7802210), (4, 3901105), (5, 3120884), (10, 1560442), (13, 1200340), (20, 780221), (26, 600170), (52, 300085), (65, 240068), (130, 120034), (260, 60017)]