54978040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105727}}^1$

素因数の和:105751

約数の個数: 32

約数和(自身を含む): 133217280

約数和(自身を除く): 78239240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 105727, 211454, 422908, 528635, 845816, 1057270, 1374451, 2114540, 2748902, 4229080, 5497804, 6872255, 10995608, 13744510, 27489020, 54978040]

約数ペア:

[(1, 54978040), (2, 27489020), (4, 13744510), (5, 10995608), (8, 6872255), (10, 5497804), (13, 4229080), (20, 2748902), (26, 2114540), (40, 1374451), (52, 1057270), (65, 845816), (104, 528635), (130, 422908), (260, 211454), (520, 105727)]