28110680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54059}}^1$

素因数の和:54083

約数の個数: 32

約数和(自身を含む): 68115600

約数和(自身を除く): 40004920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54059, 108118, 216236, 270295, 432472, 540590, 702767, 1081180, 1405534, 2162360, 2811068, 3513835, 5622136, 7027670, 14055340, 28110680]

約数ペア:

[(1, 28110680), (2, 14055340), (4, 7027670), (5, 5622136), (8, 3513835), (10, 2811068), (13, 2162360), (20, 1405534), (26, 1081180), (40, 702767), (52, 540590), (65, 432472), (104, 270295), (130, 216236), (260, 108118), (520, 54059)]