56508140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217339}}^1$

素因数の和:217361

約数の個数: 24

約数和(自身を含む): 127795920

約数和(自身を除く): 71287780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217339, 434678, 869356, 1086695, 2173390, 2825407, 4346780, 5650814, 11301628, 14127035, 28254070, 56508140]

約数ペア:

[(1, 56508140), (2, 28254070), (4, 14127035), (5, 11301628), (10, 5650814), (13, 4346780), (20, 2825407), (26, 2173390), (52, 1086695), (65, 869356), (130, 434678), (260, 217339)]