56538040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108727}}^1$

素因数の和:108751

約数の個数: 32

約数和(自身を含む): 136997280

約数和(自身を除く): 80459240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108727, 217454, 434908, 543635, 869816, 1087270, 1413451, 2174540, 2826902, 4349080, 5653804, 7067255, 11307608, 14134510, 28269020, 56538040]

約数ペア:

[(1, 56538040), (2, 28269020), (4, 14134510), (5, 11307608), (8, 7067255), (10, 5653804), (13, 4349080), (20, 2826902), (26, 2174540), (40, 1413451), (52, 1087270), (65, 869816), (104, 543635), (130, 434908), (260, 217454), (520, 108727)]